William

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Dictionary of Medieval Names
from European Sources

☙

William m. Old High German willo 'will' + Old High German, Old Saxon helm 'helmet'

The name of an 8th C French saint, two 11th C kings of England, a 12th C king of Scotland, a number of 12th and 13th C English, French, and Italian saints, three 12th C kings of Sicily, a 13th C king of Germany, a 16th C prince of the Netherlands.

Austria

Latin: ● 1237 Willehelmus (nom) hennes-vol1 96

Belgium

Latin: ● 1238 Willelmum (acc) OvdFB 3; 1253 Willelmus (nom) hennes-vol1 148; 1266 Willelmi (gen) OvdFB 6, Willelmus (nom) ibid. 6

Brabant

Latin: ● 1312 Wilhelmi (gen) JeanIII p. 15, Wilhelmo (abl) ibid. p. 24, Wilhelmum (acc) ibid. p. 20, Wilhelmus (nom) ibid. p. 21, Wilhemi (gen) ibid. p. 9, Willelmi (gen) ibid. p. 31, Willelmum (acc) ibid. p. 1, Willelmus (nom) ibid. p. 4

Czech Republic

Latin: ● 1349 Wilhelmo (dat) chlumecky 48, Wilhelmus (nom) ibid. 138, Wylhelmus (nom) ibid. 47; 1350 Wilhelmi (gen) ibid. 166, Wilhelmo (dat) ibid. 158, Wilhelmus (nom) ibid. 158, Wylhelmo (dat) ibid. 219; 1351 Wylem (nom) ibid. 44, Wylhelmi (gen) ibid. 44, Wylhelmo (abl) ibid. 1, Wylhelmus (nom) ibid. 10; 1353 Wylhelmi (gen) ibid. 119, Wylhelmo (dat) ibid. 119; 1354 Wilhelmo (abl) ibid. 59, Wilhelmus (nom) ibid. 59; 1355 Wylhelmus (nom) ibid. 73; 1356 Wilhelmo (dat) ibid. 144, Wilhelmus (nom) ibid. 142; 1358 Wilhelmo (dat) ibid. 213, p. 30; ◑ 1353 Wylk (nom) chlumecky 65

England

Latin: ● c1132 Willielmo (abl) MemStMF II-I; 1155 Willelmus (nom) FPD p. 121, fn. 1; 1171 Willelmi (gen) GASurv p. 70; 1185x1186 Willelmi (gen) PR-XXXVI p. 9, Willelmo (dat) ibid. p. 1, Willelmum (acc) ibid. p. 6, Willelmus (nom) ibid. p. 2; 1189 Gillelmus (nom) GASurv p. 81, Willelmi (gen) ibid. p. 90, Willelmum (acc) ibid. p. 113, Willelmus (nom) ibid. p. 77; c1198 Willelmus (nom) ibid. p. 242; 1256 Willelmi (gen) EARNb p. 2, Willelmo (abl) ibid. p. 2, Willelmum (acc) ibid. p. 1, Willelmus (nom) ibid. p. 1; 1279–80 Willelmi (gen) WaHR-SK p. 28, Willelmo (abl) ibid. p. 27, Willelmus (nom) ibid. p. 25; 1290 Willelmo (abl) POSDu VII; 1300 Gylemyn (gen) ProcSuf-vol3 p. 231, Wilhelmi (nom) ibid. p. 233, Wilhelmus (nom) ibid. p. 233, Willelmi (gen) ibid. p. 229, Willelmus (nom) ibid. p.232; 1321 Willelmi (gen) EL-2 p. 162, Willelmus (nom) ibid. p. 162; 1327 Willelmo (abl) SaxhamSf p. 111; 1356 Willelmo (abl) SocAntNor-3-3 no. 14; 1357 Guillelmo (abl) ibid. no. 23; 1358 Guillelmus (nom) ibid. no. 27; 1377 Willelmi (gen) FenPT-2 p. 4, Willelmus (nom) ibid. p. 4; 1379 Willelmum (acc) SocAntNor-3-3 no. 56; 1381 Willelmi (gen) FenPT-2 p. 11, Suffolk1381 p. 69, Willelmo (abl) ibid. p. 90, Willelmum (acc) ibid. p. 67, Willelmus (nom) FenPT-2 p. 6, Suffolk1381 p. 68; 1408 Willelmus (nom) GCCYork p. 10; 1411 Willelmo (abl) EEW p. 21, Willelmum (acc) ibid. p. 21, Willelmus (nom) ibid. p. 18; 1415 Willelmo (dat) ibid. p. 23; 1419 Willelmi (gen) Bar-in-El p. 2, Willelmo (dat) ibid. p. 2, Willelmus (nom) ibid. p. 1; 1424–25 Willelmum (acc) EEW p. 55; 1425 Willelmo (abl) ibid. p. 64; 1426 Willelmo (abl) ibid. p. 68, Willelmus (nom) ibid. p. 68; 1427 Willielmi (gen) WillsInv LIV, Willielmo (dat) ibid. LIII, Willielmus (nom) ibid. LIV; 1428 Willelmi (gen) EEW p. 79, Willelmo (abl) ibid. p. 79; 1430 Willelmi (gen) ibid. p. 86; 1431 Willelmo (abl) WillsInv LVI, Willielmo (abl) ibid. LVI; 1435 Willielmo (dat) ibid. LVII; 1436 Wilielmo (dat) ibid. LIX, Willielmo (dat) ibid. LIX, Willielmus (nom) ibid. LVIII; 1439 Willelmo (dat) EEW p. 120, Willelmum (acc) ibid. p. 121; 1440 Willelmum (acc) WillsInv LI, Willelmus (nom) ibid. LI, Willielmi (gen) ibid. LI, Willielmus (acc) ibid. LI; 1444 Willielmi (gen) ibid. LXIII, Willielmo (dat) ibid. LXIII; 1452 Willelmo (dat) Bar-in-El p. 3; 1464 Willelmo (dat) ibid. p. 4; 1471 Willelmo (dat) ibid. p. 5, Willelmus (nom) ibid. p. 4; 1476 Willielmo (dat) WillsInv LXVII; 1485–1486 Willelmi (gen) CovGuild-2 p. 48, Willelmo (abl) ibid. p. 49; 1489 Willielmo (abl) WillsInv LXX, Willielmus (nom) ibid. LXX; 1499 Willielmo (dat) ibid. LXXIII; 1529 Willielmo (dat) ibid. LXXIX; 1530 Willelmo (dat) LIWill-III p. 32, Willelmus (nom) ibid. p. 2, Willielmum (acc) ibid. p. 58; 1552 Guilielmus (nom) StMartF p. 57; 1553 Guilielmus (nom) ibid. p. 57; 1554 Guilielmus (nom) ibid. p. 58; 1555 Guilielmus (nom) ibid. p. 58; 1556 Guilielmus (nom) ibid. p. 58; 1557 Guilielmus (nom) ibid. p. 59; 1558 Guilielmus (nom) ibid. p. 59, Willelmus (nom) Reg-KirkElla p. 1; 1558/9 Willimi (gen) Chst-1 p. 9; 1559 Guilielmus (nom) StMartF p. 59, Willelmus (nom) Reg-KirkElla p. 1
Dutch: ● 1570 Willem AuFr Cox; 1574 Guillame ibid. Courten, Willem ibid. Dierecksen; 1577 Willem ibid. Bruijnijnck; 1578 Willem ibid. Daman; 1579 Willem ibid. Bogards; 1581 Willem ibid. Bruijnijnck; 1583 Willem ibid. Brauwers; 1584 Wilhelmus ibid. s'Backers; 1586 Guliamme ibid. Dammaert, Willem ibid. Clincboom; 1588 Willem ibid. Adams; 1589 Guiliame ibid. Bespiere, Guilielmus ibid. Boudaen, Willem ibid. Bruijnijnck; 1590 Willem ibid. Damman; 1591 Willem ibid. Brouwer; 1592 Guliam ibid. Bruijnijnck, Guliame ibid. Damart, Willem ibid. Adams; 1593 Willem ibid. Bruijnijnck; 1594 Guiliame ibid. Cueninck, Guliamme ibid. Dammaert, Gulian ibid. Damme; 1595 Gulian ibid. Damme, Willem ibid. Acker; 1596 Guiliame ibid. Damme, Gulian ibid. Connick, Willem ibid. Bruijnijnck; 1597 Guiliame ibid. Beijardt, Guliame ibid. Courte, Willem ibid. Adams; 1598 Guiliame ibid. Damme, Guillaem ibid. Beijaert, Willem ibid. Abeels; 1599 Guillame ibid. Courten, Guliame ibid. Beijaert, Willem ibid. Acker
Middle English: ● 1402 William EEW p. 11; 1408 Wyllyam ibid. p. 15; 1410 William ibid. p. 16; 1411 William ibid. p. 19, Wylliam ibid. p. 19; 1413 William ibid. p. 22; 1415 William ibid. p. 23, Wylliam ibid. p. 25; 1417 William ibid. p. 28; 1417–18 William ibid. p. 40, Wyllyam ibid. p. 38; 1418 William ibid. p. 29; 1419–20 Wyllyam ibid. p. 41; 1420 William ibid. p. 46; 1424–25 William ibid. p. 58; 1425 William ibid. p. 65; 1426 William ibid. p. 67, Wilȝam ibid. p. 67; 1427 William WillsInv LII; 1428 William EEW p. 83; 1429 William WillsInv LV; 1430 William EEW p. 87; 1431 William ibid. p. 87; 1432–33 William ibid. p. 92; 1433 William ibid. p. 95; 1434 William ibid. p. 96; 1434–35 William ibid. p. 103; 1436 William ibid. p. 107; 1438 William ibid. p. 110; 1439 William ibid. p. 115; 1454 William ibid. p. 133; ◑ 1426 Will EEW p. 71; 1431–32 Will ibid. p. 91; 1438–39 Will ibid. p. 130
Early Modern English: ● 1485 William WillsInv LXIX; 1511 William OrpingtonKe p. 74; 1520 William SaxhamSf p. 128; 1522 William ibid. p. 114, Wylliam ibid. p. 114, Wyllyam SRS-XXI p. 3; 1525/6 Wylliam LIWill-III p. 1; 1528/9 William ExMar p. 1; 1528 William SRS-XXI p. 5, WillsInv LXXVIII; 1530 William LIWill-III p. 2, SRS-XXI p. 7, Wylliam LIWill-III p. 7; 1531 William SRS-XXI p. 8, SaxhamSf p. 122, WillsInv LXXXI; 1534 William DU-DSMMar; 1538 William BarnstapleBap p. 1, Eastleach, Wyllyam BarnstapleBap p. 1; 1539 William DEmar-vol1 p. 77, StAnthonlin p. 1, Wyllyam BarnstapleBap p. 1; 1540/1 William BEmar-vol1 p. 2; 1540 William ibid. p. 2, StAnthonlin p. 1, Wyllyam BarnstapleBap p. 1; 1541 William BEmar-vol1 p. 2, Eastleach, HAmar-vol9 p. 115; 1541/2 William SIAcc 1; 1541 William StAnthonlin p. 2; 1541/2 Wylliam SIAcc 1; 1541 Wyllyam BarnstapleBap p. 2; 1542/3 Gwyllms (gen) SIAcc 3; 1542 William BEmar-vol1 p. 2, BarnstapleBap p. 3; 1542/3 William SIAcc 2; 1542 William StAnthonlin p. 3; 1542/3 Wyllam SIAcc 2; 1542 Wylliam BarnstapleBap p. 3, Wyllyam ibid. p. 3; 1542/3 Wyllyam SIAcc 2; 1543 William BEmar-vol1 p. 2, BarnstapleBap p. 3, OrpingtonKe p. 75, StAnthonlin p. 4, Wylliam BarnstapleBap p. 3, Wyllyam ibid. p. 3; 1544 William BEmar-vol1 p. 3, BarnstapleBap p. 4, StAnthonlin p. 4, Wylliam BarnstapleBap p. 4; 1545 William BEmar-vol1 p. 3, BarnstapleBap p. 4, DEmar-vol1 p. 78, StAnthonlin p. 5, Wylliam BarnstapleBap p. 4; 1546 William BEmar-vol1 p. 3, BarnstapleBap p. 5; 1546/7 William ExMar p. 1; 1546 William StAnthonlin p. 5, Wyllam BarnstapleBap p. 5, Wylliam ibid. p. 5; 1547 William ibid. p. 5, StAnthonlin p. 6, Wylliam BarnstapleBap p. 6; 1548/9 William BEmar-vol1 p. 3; 1548 William BarnstapleBap p. 6; 1548/9 William ExMar 2a; 1548 Wylliam BarnstapleBap p. 6; 1549 William BEmar-vol1 p. 3, StAnthonlin p. 8; 1550 William DEmar-vol1 p. 79, ExMar 2a, StAnthonlin p. 8; 1551 William BEmar-vol1 p. 4, BarnstapleBap p. 6, StAnthonlin p. 8, Wylliam BarnstapleBap p. 6; 1552 William BEmar-vol1 p. 4, BarnstapleBap p. 7, DEmar-vol1 p. 79, StAnthonlin p. 9, Wylliam BarnstapleBap p. 7; 1553 William BEmar-vol1 p. 4, BarnstapleBap p. 7, DEmar-vol1 p. 80; 1553/4 William ExMar 2a; 1553 William StAnthonlin p. 10, Wylliam BarnstapleBap p. 8; 1554 William BEmar-vol1 p. 4; 1554/5 William ibid. p. 5; 1554 William BarnstapleBap p. 8, StAnthonlin p. 10, bruton-vol1 p. 26, Wylliam BarnstapleBap p. 8; 1555 William ibid. p. 9, DEmar-vol1 p. 80; 1555/6 William ExMar 2a; 1555 William HAmar-vol9 p. 2, StAnthonlin p. 11, bruton-vol1 p. 108, Wylliam BarnstapleBap p. 9; 1556 William ibid. p. 9, StAnthonlin p. 11; 1557 William BEmar-vol1 p. 6, ProcSuf-vol3 p. 265, StAnthonlin p. 12, bruton-vol1 p. 109, Willyam BarnstapleBap p. 10, Wylliam ibid. p. 10, Wyllyam ibid. p. 10; 1558 William BEmar-vol1 p. 6, SOmar-vol9 p. 1, SaxhamSf p. 134, StAnthonlin p. 12, StMaryA p. 3, bruton-vol1 p. 109; 1558–9 William StMary-Ke p. 2; 1559 William BEmar-vol1 p. 6, BEmar-vol2 p. 29, BUmar-vol9 p. 2, DU-DSMMar; 1559/60 William HAmar-vol9 p. 2; 1559 William SOmar-vol9 p. 1, StAnthonlin p. 12, bruton-vol1 p. 110, Wylliam SaxhamSf p. 1, Wyllyam BarnstapleBap p. 10; 1560 William BEmar-vol1 p. 6; 1560/1 William ibid. p. 7; 1560 William BUmar-vol9 p. 3, COmar-vol2 p. 47, DEmar-vol1 p. 80, DU-DSMMar, HAmar-vol9 p. 67, OrpingtonKe p. 1, SOmar-vol9 p. 2, StAnthonlin p. 13, bruton-vol1 p. 110, Wylliam BarnstapleBap p. 11, SaxhamSf p. 1, Wylyam BarnstapleBap p. 10; 1561 William BEmar-vol1 p. 7, BUmar-vol9 p. 3, BarnstapleBap p. 11, CAmar-vol1 p. 2, DEmar-vol1 p. 80, HAmar-vol9 p. 67, OrpingtonKe p. 1, StAnthonlin p. 14, bruton-vol1 p. 110, Willyam BarnstapleBap p. 11, Wylliam ibid. p. 11, SaxhamSf p. 56, Wyllyam ibid. p. 1, Wyllym BEmar-vol2 p. 128; 1562/3 William BEmar-vol1 p. 7; 1562 William BEmar-vol2 p. 2, BUmar-vol9 p. 3, BarnstapleBap p. 11, COmar-vol2 p. 69, DEmar-vol1 p. 81, StAnthonlin p. 14, StMaryA p. 3, bruton-vol1 p. 111, Willyam BarnstapleBap p. 12, Wylliam ibid. p. 12, Wyllyam ibid. p. 11; 1563 Wiliam StAnthonlin p. 16; 1563/4 William BEmar-vol1 p. 7; 1563 William ibid. p. 7, BEmar-vol2 p. 29, BUmar-vol9 p. 3, COmar-vol2 p. 47, DEmar-vol1 p. 81, HAmar-vol9 p. 2, StAnthonlin p. 15, bruton-vol1 p. 111, Wylliam SaxhamSf p. 1, Wyllyam ibid. p. 1; 1564 William BEmar-vol2 p. 2, BUmar-vol9 p. 4, Redruth-Co p. 6, StAnthonlin p. 17, Wylliam SaxhamSf p. 2; 1565 Wiliam bruton-vol1 p. 111, William BEmar-vol1 p. 8, CAmar-vol1 p. 2, DEmar-vol1 p. 81, HAmar-vol9 p. 68, StMaryA p. 4, bruton-vol1 p. 111; 1566 William BEmar-vol2 p. 2, BUmar-vol9 p. 4, DEmar-vol1 p. 81, HAmar-vol9 p. 116, StAnthonlin p. 18, bruton-vol1 p. 112, Wyllyam BEmar-vol2 p. 69; 1567 William ibid. p. 30, HAmar-vol9 p. 68, bruton-vol1 p. 112; 1568 William BUmar-vol9 p. 4, COmar-vol2 p. 69, ExMar 2b; 1568/9 William HAmar-vol9 p. 2; 1568 William SaxhamSf p. 2, StAnthonlin p. 19, bruton-vol1 p. 112; 1569 William BEmar-vol1 p. 8, BEmar-vol2 p. 2, BUmar-vol9 p. 4, DEmar-vol1 p. 82, HAmar-vol9 p. 116, SaxhamSf p. 39, StAnthonlin p. 20, bruton-vol1 p. 112; 1570/1 William BEmar-vol2 p. 2; 1570 William BUmar-vol9 p. 5, HAmar-vol9 p. 116, bruton-vol1 p. 5, Willym BEmar-vol2 p. 128; 1571 William ibid. p. 2, BUmar-vol9 p. 5, DEmar-vol1 p. 82, HAmar-vol9 p. 68, SaxhamSf p. 2, StAnthonlin p. 21, Wyllym BEmar-vol2 p. 129; 1572 William ibid. p. 30, BUmar-vol9 p. 5, CAmar-vol1 p. 2, DEmar-vol1 p. 82, HAmar-vol9 p. 3, OrpingtonKe p. 4, SaxhamSf p. 56, bruton-vol1 p. 40, Wyllym BEmar-vol2 p. 129; 1573 William ibid. p. 2, COmar-vol2 p. 48, DEmar-vol1 p. 83, HAmar-vol9 p. 68, SaxhamSf p. 3, Wyllym BEmar-vol2 p. 129; 1574 William BEmar-vol1 p. 9, BEmar-vol2 p. 30, BUmar-vol9 p. 5, CAmar-vol1 p. 3, DEmar-vol1 p. 83; 1575 William BEmar-vol1 p. 9, BUmar-vol9 p. 5, COmar-vol2 p. 70, DEmar-vol1 p. 83; 1575/6 William HAmar-vol9 p. 3; 1575 William SaxhamSf p. 3, Wyllyam HAmar-vol9 p. 50, Wyllym BEmar-vol2 p. 129; 1576 William BUmar-vol9 p. 5, HAmar-vol9 p. 68, SaxhamSf p. 3, StAnthonlin p. 25, Wyllyam HAmar-vol9 p. 50; 1577/8 William BEmar-vol2 p. 3; 1577 William ibid. p. 30, BUmar-vol9 p. 6, Bar-in-El p. 9, StAnthonlin p. 25, Willyam Bar-in-El p. 9, Wyllym BEmar-vol2 p. 129; 1578 William CAmar-vol1 p. 3, DEmar-vol1 p. 84, Wyllyam HAmar-vol9 p. 50; 1579 William BEmar-vol1 p. 10, BEmar-vol2 p. 30, SaxhamSf p. 3, Wyllym BEmar-vol2 p. 129; 1580 William BEmar-vol1 p. 10, BUmar-vol9 p. 6, DEmar-vol1 p. 84, HAmar-vol9 p. 15, SaxhamSf p. 56, Wyllym BEmar-vol2 p. 129; 1581 William BEmar-vol1 p. 10, DEmar-vol1 p. 84, DEmar-vol2 p. 6; 1581/2 William HAmar-vol9 p. 50; 1581 William SaxhamSf p. 3, Willyam COmar-vol2 p. 101; 1582/3 William BEmar-vol1 p. 11; 1582 William BEmar-vol2 p. 3, BUmar-vol2 p. 141, COmar-vol2 p. 49, DEmar-vol1 p. 85, DEmar-vol2 p. 7, Wyllam BUmar-vol1 p. 26, Wyllym BEmar-vol2 p. 130; 1583 William BEmar-vol1 p. 11; 1583/4 William ibid. p. 11; 1583 William BUmar-vol9 p. 7, CAmar-vol1 p. 3, COmar-vol2 p. 49, DEmar-vol2 p. 8; 1583/4 William HAmar-vol9 p. 50; 1583 William StMary-Ke p. v; 1584 William BEmar-vol1 p. 12; 1584/5 William ibid. p. 12; 1584 William BEmar-vol2 p. 30, DEmar-vol2 p. 10, HAmar-vol9 p. 50, SaxhamSf p. 4, StAnthonlin p. 30, Wyllym BEmar-vol2 p. 130; 1585 William ibid. p. 96, BUmar-vol9 p. 7, DEmar-vol2 p. 10, HAmar-vol9 p. 79, SaxhamSf p. 39, StAnthonlin p. 31; 1586 William BEmar-vol2 p. 96, CAmar-vol1 p. 4, COmar-vol2 p. 49, DEmar-vol1 p. 85, DEmar-vol2 p. 12, SaxhamSf p. 39; 1587/8 William BEmar-vol1 p. 12; 1587 William ibid. p. 12, DEmar-vol2 p. 13, SaxhamSf p. 4, bruton-vol1 p. 47, Willyam COmar-vol2 p. 102; 1588 William BEmar-vol1 p. 13; 1588/9 William ibid. p. 13; 1588 William BEmar-vol2 p. 69, Bar-in-El p. 13, CAmar-vol1 p. 4, COmar-vol2 p. 23, DEmar-vol1 p. 85, DEmar-vol2 p. 15, HAmar-vol9 p. 92; 1589 William BEmar-vol1 p. 13; 1589/90 William ibid. p. 13; 1589 William BEmar-vol2 p. 3, BUmar-vol9 p. 7, COmar-vol2 p. 23, DEmar-vol1 p. 85, DEmar-vol2 p. 17, HAmar-vol9 p. 139, Willyam COmar-vol2 p. 102; 1590 William BEmar-vol1 p. 14; 1590/1 William ibid. p. 14; 1590 William BEmar-vol2 p. 3; 1590/1 William ibid. p. 3; 1590 William BUmar-vol9 p. 7, Bar-in-El p. 30, CAmar-vol1 p. 4, COmar-vol2 p. 102, DEmar-vol1 p. 86, DEmar-vol2 p. 20, SaxhamSf p. 4, bruton-vol1 p. 49, Willyam StAnthonlin p. 34, Wyllym BEmar-vol2 p. 130; 1591 William BEmar-vol1 p. 14, BUmar-vol9 p. 8, CAmar-vol1 p. 4, DEmar-vol2 p. 22, HAmar-vol9 p. 50; 1592 William BEmar-vol1 p. 15, BEmar-vol2 p. 69, BUmar-vol2 p. 141, BUmar-vol9 p. 8, COmar-vol2 p. 24, DEmar-vol1 p. 86, DEmar-vol2 p. 24, HAmar-vol9 p. 140, bruton-vol1 p. 51, Wyllam BUmar-vol1 p. 27, Wyllym BEmar-vol2 p. 132; 1593/4 William BEmar-vol1 p. 16; 1593 William BEmar-vol2 p. 4, BUmar-vol9 p. 8, CAmar-vol1 p. 5, DEmar-vol2 p. 26, HAmar-vol9 p. 51, SaxhamSf p. 40, Wyllym BEmar-vol2 p. 131; 1594 William BEmar-vol1 p. 16, BEmar-vol2 p. 96, BUmar-vol9 p. 8, CAmar-vol1 p. 5, COmar-vol2 p. 24, DEmar-vol1 p. 87, DEmar-vol2 p. 28, HAmar-vol9 p. 69, SaxhamSf p. 4, StAnthonlin p. 37, Wyllym BEmar-vol2 p. 131; 1595 William BEmar-vol1 p. 16, BEmar-vol2 p. 4, BUmar-vol9 p. 9, CAmar-vol1 p. 5, DEmar-vol2 p. 1, HAmar-vol9 p. 140, StAnthonlin p. 37; 1596 William BUmar-vol9 p. 9, DEmar-vol2 p. 34, StAnthonlin p. 37, StMary-Ke p. v; 1596/7 William WentPap p. 39; 1596 William (nom) ibid. p. 37, Willyam COmar-vol2 p. 123; 1597 William BEmar-vol1 p. 16, BUmar-vol9 p. 9, CAmar-vol1 p. 6, COmar-vol2 p. 50, DEmar-vol2 p. 35, HAmar-vol9 p. 51, StAnthonlin p. 38, WentPap p. 37, Willim CAmar-vol1 p. 6; 1598 William BEmar-vol1 p. 17, BEmar-vol2 p. 96, BUmar-vol9 p. 10, COmar-vol2 p. 50, DEmar-vol1 p. 87, DEmar-vol2 p. 38, SaxhamSf p. 40, StAnthonlin p. 39; 1599 William BEmar-vol1 p. 17, BUmar-vol9 p. 10, CAmar-vol1 p. 143, COmar-vol2 p. 24, DEmar-vol2 p. 40, DU-DSMMar, HAmar-vol9 p. 93, SaxhamSf p. 40, StAnthonlin p. 39, WentPap p. 37; ◑ 1544 Wyll BarnstapleBap p. 4

Estonia

Middle Low German: ● 1403 Wilhelm BbRT p. 343; 1431 Wyllem ibid. p. 355; 1440 Wyllem ibid. p. 362; 1442 Wilem ibid. p. 364; 1524x1532 wyllym Saareste1923a p. 104; 1592 Wilhelm Tiik1977 p. 287; ◑ 1364 Wilken BbRT p. 334, Wylken ibid. p. 334; 1524x1532 Willik (nom) Saareste1923a p. 104, Wyllick (nom) ibid. p. 104; 1592 Wilck Tiik1977 p. 288, Wilken ibid. p. 288, Willeke ibid. p. 288, Willido ibid. p. 288

France

Latin: ● c823 Wilelmus (nom) irminon-vol2 34, CE; 10thC Vuillelmus (nom) St-Bernard-Romans 134, Willelmi (gen) ibid. 134; 952x993 Vuillelmi (gen) ibid. 132; 978? Vuillelmus (nom) ibid. 141; 993x1000 Guillelmi (gen) ibid. no. 89; 11thC Guillelmus (nom) StVdM-II 677, Vuillelmi (gen) St-Bernard-Romans 135, Vuillelmus (nom) ibid. 135, Wilelmi (gen) ibid. no. 118; 1013x1033 Willelmi (gen) CartStPC XLII; 1015 Vuilemi (gen) NTDip-vol4 p. 225; 1018x1032 Willelmo (abl) StVdM-II 666; 1030 Willelmus (nom) ibid. 681; 1031 Vuillelmi (gen) St-Bernard-Romans no. 107, Wilelmus (nom) StVdM-II 684, Willelmi (gen) St-Bernard-Romans no. 107; c1040 Guillelmus (nom) StVdM-II 726, Villelmus (nom) ibid. 727, Wilelmus (nom) ibid. 724, Wilielmus (nom) ibid. 725; 1040x1080 Willelmi (gen) ibid. 664, Willelmus (nom) ibid. 664; 1044 Vilelmus (nom) ibid. 659, Willelmi (gen) ibid. 659; 1046 Guillelmi (gen) St-Bernard-Romans 139, Guillelmus (nom) ibid. 139, Vuilelmi (gen) ibid. 139; 1047 Willelmi (gen) CartNDSaintes I, Willelmus (nom) ibid. I; 1048 Guilielmus (nom) StVdM-II 737; c1050 Villelmus (nom) ibid. 675, Willelmus (nom) ibid. 675; 1052 Willemi (gen) St-Bernard-Romans no. 85; 1055 Willelmi (gen) StVdM-II 680, Willelmus (nom) ibid. 739; 1059 Wilelmus (nom) ibid. 689, Willelmus (nom) ibid. 687, Willemmus (nom) ibid. 687; c1060 Wilelmus (nom) ibid. 662; 1060 Willelmi (gen) CartNDSaintes XIX; 1060x1064 Willelmus (nom) StVdM-II 709; 1064 Guilelmus (nom) ibid. 703; 1064x1079 Wilelmus (nom) ibid. 690, Willelmus (nom) ibid. 716; 1065x1079 Vilelmus (nom) ibid. 663, Villelmus (nom) ibid. 663, Willelmus (nom) ibid. 663; 1066 Vilelmus (nom) ibid. 698, Wilelmi (nom) ibid. 698, Wilelmus (nom) ibid. 698; 1067 Guillelmus (nom) CartNDSaintes XII, Willelmus (nom) ibid. XII; 1073 Guilelmus (nom) StVdM-II 683, Guillelmus (nom) ibid. 679, Villelmus (nom) ibid. 707, Wilelmus (nom) ibid. 679, Willelmus (nom) ibid. 679; 1079x1081 Willelmo (abl) CartNDSaintes XXI; 1080x1103 Guillelmum (acc) StVdM-II 722; 1080x1105 Wilelmo (abl) ibid. 699; 1083 Villelmus (nom) St-Bernard-Romans no. 119, Vuillelmus (nom) ibid. no. 119, Willelmi (gen) ibid. no. 119; 1088x1119 Willelmi (gen) ibid. 124, Willelmus (nom) ibid. 124; 1094 Gillelmus (nom) StVdM-II 686, Guillelmi (gen) ibid. 686, Guillelmus (nom) ibid. 686, Willelmi (gen) ibid. 686, Willelmus (nom) ibid. 686; 1095 Guilielmi (gen) CartNDSaintes V; 1096 Guillelmi (gen) St-Bernard-Romans 138, Vuillelmi (gen) ibid. 138, Vuillemus (nom) ibid. 138; 1098 Willelmo (abl) StVdM-II 697; 1101x1120 Guillelmi (gen) CartStPC XXIV, Guillelmus (nom) ibid. XXIV; 1101x1129 Guillelmo (abl) ibid. XVIII, Guillelmus (nom) ibid. XXIII, Willelmi (gen) ibid. XXX, Willelmum (acc) ibid. XVI, Willelmus (nom) ibid. XVI, Willemus (nom) ibid. XLI; 1107 Guillelmus (nom) ibid. XVII; a1108 Willelmus (nom) ibid. XXI; 1113 Guillelmi (gen) CartNDJosaphat III; 1115 Wilelmus (nom) StVdM-II 734, Willelmi (gen) CartNDJosaphat V, Willelmo (dat) ibid. VI, Willelmus (nom) ibid. V; 1115x1149 Guillelmus (nom) CartStPC X; 1119 Willelmus (nom) CartNDJosaphat VII; 1120 Willelmo (abl) ibid. VIII, Willelmus (nom) ibid. VIII; 1121 Willelmus (nom) ibid. X; 1123 Willelmi (gen) ibid. XII; a1124 Guillelmus (nom) CartStPC II; 1124 Guillelmus (nom) CartNDJosaphat XIII; 1126 Guillelmus (nom) CartStPC VII, Willelmus (nom) ibid. IV; 1127 Guillelmi (gen) ibid. XIX, Guillelmo (abl) ibid. XIX, Guillelmus (nom) ibid. XIX, Willelme (gen) ibid. III, Willelmo (dat) ibid. III, Willelmus (nom) ibid. XIX; 1129 Willelmi (gen) StVdM-II 735; 1131 Willelmi (gen) CartNDSaintes XXII, Willelmo (abl) ibid. XXIII, Willelmus (nom) ibid. XXII; 1135 Guillermi (gen) clairvaux-12thc 6, Willelmus (nom) ibid. 7; c1136 Willelmi (gen) CartNDdOurscamp CXXI, Willelmus (nom) ibid. CXXI; 1138x1162 Guilelmus (nom) clairvaux-12thc 77, Guillelmus (nom) ibid. 76; 1142 Willelmus (nom) ibid. 9, Willermus (nom) ibid. 9; 1143x1146 Willelmus (nom) ibid. 12; 1144x1153 Willelmus (nom) ibid. 25; 1146 Guillelmi (gen) CartNDdOurscamp CXII, Willelmi (gen) CartNDSaintes VIII; 1147 Guilelmus (nom) clairvaux-12thc 14, Willelmi (gen) CartNDSaintes XXV, Willelmo (abl) ibid. XXV; 1148 Willelmus (nom) ibid. XXIV; c1150 Guillelmi (gen) CartNDdOurscamp CXIII, Willelmi (gen) ibid. CXIII; 1154 Willelmi (gen) ibid. LIV, clairvaux-12thc 27, Willelmus (nom) ibid. 27; 1157 Guillelmi (gen) ibid. 32; 1158 Wilelmus (nom) StVdM-II 702, Willelmo (dat) ibid. 702; 1163 Guillelmus (nom) clairvaux-12thc 99, Wilerimi (gen) ibid. 99; 1163–64 Willelmo (abl) ibid. 119; 1164 Guillelmus (nom) ibid. 122, Willelmo (abl) ibid. 121; 1165 Guillelmus (nom) ibid. 126; 1167 Willelmi (gen) CartNDSaintes X; 1171 Guillelmi (nom) clairvaux-12thc 141; 1173 Willelmus (nom) ibid. 152; 1179 Guillelmi (gen) ibid. 178, Guillelmus (nom) ibid. 177; c1179 Willelmi (gen) CartNDdOurscamp CXXXII; 1179 Willelmi (gen) clairvaux-12thc 177; c1179 Willelmus (nom) CartNDdOurscamp CXXXII; 1179 Willelmus (nom) clairvaux-12thc 178, Willermi (gen) ibid. 176, Willermus (nom) ibid. 176; 1180 Willelmus (nom) CartNDdOurscamp LV; 1183 Willelmo (abl) ibid. LVI, Willelmus (nom) ibid. LVI; 1187 Willelmi (gen) ibid. LVII; 1196/97 Guillelmo (dat) CartStPC I; 1201 Willelmus (nom) CartNDdOurscamp LXI; 1203 Guillelmus (nom) ibid. CXXV; 1207 Willermo (abl) ibid. CXXIX; 1214 Wilhelmi (gen) ibid. CXLI; 1216 Guillelmi (gen) ibid. XI; 1239 Guillelmus (nom) St-Bernard-Romans 382b, Willelmi (gen) ibid. 382b, Willelmus (nom) ibid. 382b; 1251 Wilhelmo (abl) hennes-vol1 139; 1255 Guillelmus (nom) ArrestReg-volI X, Candlemas; 1256 Guillelmi (gen) ibid. X, Candlemas, Guillelmo (abl) ibid. VI, Candlemas, Guillelmum (acc) ibid. X, Candlemas, Guillelmus (nom) ibid. VI, Candlemas; 1257 Guillelmi (gen) ibid. I, St. Martin, Guillelmo (abl) ibid. XVI, Pentecost, Guillelmum (acc) ibid. XII, Candlemas, Guillelmus (nom) ibid. XVI, Pentecost; 1258 Guillelmi (gen) ibid. VII, BMV, Guillelmo (abl) ibid. XIII, Pentecost, Guillelmum (acc) ibid. XIII, Pentecost, Guillelmus (nom) ibid. XIII, Pentecost; 1259 Guillelmi (gen) ibid. IX, Pentecost, Guillelmo (abl) ibid. IV, Pentecost, Guillelmum (acc) ibid. IV, Pentecost, Guillelmus (nom) ibid. II, Pentecost; 1260 Guillelmi (gen) ibid. XVI, St. Martin, Guillelmo (abl) ibid. XVI, St. Martin, Guillelmum (acc) ibid. I, Ascension, Guillelmus (nom) ibid. VI, Candlemas; 1261 Guillelmi (gen) ibid. V, BMV, Guillelmo (abl) ibid. V, BMV, Guillelmum (acc) ibid. VII, BMV, Guillelmus (nom) ibid. V, BMV; 1273 Guillelmi (gen) RegToul-13thC p. 41, Guillelmo (abl) ibid. p. 21, Guillelmum (acc) ibid. p. 27, Guillelmus (nom) ibid. p. 19, WIllelmi (gen) ibid. p. 22, Wilellmum (acc) ibid. p. 41, Willelmo (abl) ibid. p. 22, Willelmum (acc) ibid. p. 22, Willelmus (nom) ibid. p. 21; 1274 Guilelmi (gen) ibid. p. 55, Guillelmi (gen) ibid. p. 47, Guillelmo (abl) ibid. p. 46, Guillelmum (acc) ibid. p. 48, Guillelmus (nom) ibid. p. 47, Guillermus (nom) ibid. p. 44, Vuillelmi (gen) ibid. p. 57; 1277 Guillelmus (nom) CartNDdOurscamp XXII; 1283–86 Guillelmi (gen) GasReg-A p. 227; 1285 Guillermus (nom) CartNDdOurscamp I; 1287 Guillelmus (nom) GasReg-A p. 74; 1300 Guillelmi (gen) St-Bernard-Romans 382; 1301 Guillelmi (gen) MemPic-vol17 p. 201, Guillelmus (nom) ibid. p. 213, Villelmi (gen) ibid. p. 206, Villermus (nom) ibid. p. 225, Willelmi (gen) ibid. p. 204, Willelmus (nom) ibid. p. 207, Willermi (gen) ibid. p. 204, Willermo (abl) ibid. p. 200, Willermus (nom) ibid. p. 178; 1305 Guilielmi (gen) LibSenTou fol. 118; 1310/11 Guillelmus (nom) GasReg-A p. 100; 1310 Guillelmus (nom) ibid. p. 217; 1310–11 Guillelmus (nom) ibid. p. 236; 1311 Guilielmi (gen) LibSenTou fol. 118; 1313 Guillermo (abl) CartNDdOurscamp LXXXVIII; 1318 Guilhęmo (abl) StVdM-II 700; 1376 Guillelmus (nom) St-Bernard-Romans 383; 1378 Guilhelmi (gen) hanquetvol1 1218, Guilhermus (nom) ibid. 774, Guillelmi (gen) ibid. no. 67, Guillelmo (dat) ibid. 6, Guillelmum (acc) ibid. 1550, Guillelmus (nom) ibid. 542, Guillermi (gen) ibid. 735, Guillermo (dat) ibid. no. 73, Guillermus (nom) ibid. no. 95, Guillielmo (dat) ibid. 870, Wilhelmi (gen) ibid. 324, Wilhelmo (dat) ibid. 829, Wilhelmus (nom) ibid. 2045, Wilhermi (gen) ibid. 918, Wilhermo (dat) ibid. 918, Wilhermus (nom) ibid. 918, Willelmo (dat) ibid. 363, Willelmus (nom) ibid. 474, Willermi (gen) ibid. 590, Willermo (dat) ibid. 428, Willermus (nom) ibid. 2417, Wuillelmo (dat) ibid. 875; 1421 Guillelmi (gen) favier p. 113; 1579 Guillermo (abl) FlorLyon p. 40; ◑ 1300 Guillelmoni (gen) St-Bernard-Romans 382, Guillelmonus (nom) ibid. 382, Guilli (gen) ibid. 382; 1378 Gillekini (gen) hanquetvol1 1544, Wilquini (gen) ibid. 1030
Old French: ● 1292 Guillaume 1292paris p. 1; 1296 Guillaume paris1296 p. 2; 1301 Guillaume (obl) MemPic-vol17 p. 282, Willaume (nom) ibid. p. 278, Willaumes (nom) ibid. p. 191; 1313 Guillaume Paris1313 p. 2; 1327 Guillaume MemDocMan-2 p. 174; ◑ 1296 Guillot paris1296 p. 5; 1313 Guillemin Paris1313 p. 66, Guillet ibid. p. 67, Guillot ibid. p. 8; 1327 Guillot MemDocMan-2 p. 175
Middle French: ● 1388 Williaume thierry; 1392 Guillaum MemBret-II col. 608, Guillaume ibid. col. 597, Gullaume ibid. col. 602, Huillaume ibid. col. 605, Willaume ibid. col. 604; 1418 Guillaume HGParis p. 372; 1421 Guillaume favier 1; 1423 Guillaume ibid. 36; 1438 Guillaume ibid. 2; 1561 Guillaume RegPCC-1 p. 2; 1562 Guillaume ibid. p. 6; 1563 Guillaume ibid. p. 17; 1564 Guillaume ibid. p. 45, Guillemme ibid. p. 57; 1565 Guillaume ibid. p. 108; 1566 Guillaume ibid. p. 199; 1588 Guillaume raymond1588 p. 569; ◑ 1368 Guille beauchet-vol1 p. 13; 1387 Guille ibid. p. 15; 1388 Willet thierry; 1392 Guillemet MemBret-II col. 606, Guillemin ibid. col. 603, Guillemot ibid. col. 602, Guillot ibid. col. 603, Willequin ibid. col. 603; 1418 Vuillequin HGParis p. 380; 1421 Guillemin favier 36, Guillemot ibid. p. 175; 1423 Guillemin ibid. 28; 1438 Guillemin ibid. 233, Guillemot ibid. 65, Guillot ibid. 132

Germany

Latin: ● 963x1023 Wyhelm (nom) TradCorb §226; 966 Willehelmi (gen) quix-vol1 14, Willehelmus (nom) ibid. 13, Willelmi (gen) ibid. 13, Willelmus (nom) ibid. 13; 1061 Willermus (nom) ibid. 60; 1076 Willehelmo (abl) ibid. 47; 1130 Willelmus (nom) ibid. 63; 1135 Willelmus (nom) ibid. 64; 1138 Willelmus (nom) ibid. 28; 1142 Willehalm (nom) mairhofer I, Willehalmus (nom) ibid. XII; 1144 Willehalm (nom) ibid. XV; 1147 Wilehelmus (nom) ibid. XVII, Willehelmus (nom) ibid. XXVII; 1151 Willehalmus (nom) ibid. XXXVI; 1153 Willelmus (nom) quix-vol1 30; 1185 Willelmus (nom) ibid. 36; 1192 Wilhelmo (abl) ibid. 50, Wilhelmus (nom) ibid. 50; 1194 Willelmus (nom) ibid. 54; 1197 Guilielmus (nom) hennes-vol1 1, Gulielmus (nom) ibid. 2; 1210 Willehelmo (abl) CDL-1.1.1 IV; 1211 Willehelmus (nom) hennes-vol1 11; 1214 Wilhelmus (nom) ibid. 15; 1215 Willelmus (nom) quix-vol2 126; 1216 Wilhelmus (nom) hennes-vol1 22; 1219 Gulielmus (nom) ibid. 36, Wilhelmus (nom) quix-vol1 73, Willelmi (gen) hennes-vol1 42, Willelmo (abl) quix-vol1 73, Willelmum (acc) ibid. 73, Willelmus (nom) hennes-vol1 42; 1221 Wilhelmus (nom) quix-vol2 131; 1230 Wilhelmus (nom) hennes-vol1 p. 91; 1233 Wilehelmus (nom) CDL-1.1.1 XIV; 1234 Wilhelmus (nom) quix-vol1 105; 1241 Wilhelmus (nom) hennes-vol1 107; 1248 Guillelmus (nom) ibid. 130; 1250x1254 Guillelmo (dat) CDL-1.1.1 XXV; 1252 Willelmus (nom) hennes-vol1 144; 1257 Willelmi (gen) quix-vol1 114, Willelmus (nom) ibid. 114; 1258 Wilhelmo (abl) hennes-vol1 172; 1259 Willelmo (abl) ibid. 186; 1305 Willehelmum (acc) CDL-1.2.1 CXCIII; 1401 Wilhelmi (gen) HD1401 no. 46, Wilhelmo (dat) ibid. no. 16; 1540 Wilhelmo (abl) quix-vol1 93; ◑ 1149 Wille (nom) mairhofer XXXI; 1305 Willekinum (acc) CDL-1.2.1 CXCIII, Willekinus (nom) ibid. CXCIII
Early New High German: ● 1400 Wilhelm (nom) mairhofer DCLXVIII; 1418 Wilhalm (nom) ibid. DCCVI; 1419 Wilhalm (nom) ibid. DCCIX; 1424 Wilhalm (nom) ibid. DCCXX; 1497 Wilhelm Nurn1497 7
Middle Low German: ● 1347 Wilhelm (acc) UrkHan 7

Ireland

Latin: ● fin12thC Willielmi (gen) MunDocIr III, p. 7, Willielmus (nom) ibid. III, p. 3; 1216x1272 Willelmo (abl) POSDu VII; ◑ fin12thC Willekin (nom) MunDocIr III, p. 25

Italy

Latin: ● 1220 Wilhelmi (gen) hennes-vol1 49; 1236 Guilelmum (acc) TirNot1 10; 1257 Wilhelmus (nom) hennes-vol1 165; 1265x1339 Guillelmi (gen) BBC-Berg 20; 1267 Guillelmi (gen) ibid. p. XLI; 1285 Guillielmi (gen) Perugia1285 p. 154, Guillielmus (nom) ibid. p. 153, Gullielmi (gen) ibid. p. 159; 1300 Guillelmus (nom) BBC-Berg p. XLV; 1302 Guillelmus (nom) ibid. p. XLVI; 1310 Guilielmo (dat) MonRav-2 CCCL, Guilielmus (nom) ibid. CCCL; 1324 Guillelmus (nom) DSF p. 46, 3708; 1326 Guilielmum (acc) Friuli-14thC no. 442; 1376 Guillelmi (gen) DouGen1 p. 234, Guillelmo (abl) ibid. p. 42; 1522x1532 Guglielmus (nom) DSF p. 52, 32; 1527 Guillelmus (nom) Rome1527 p. 84

Latvia

Latin: ◑ 1286 Willekini (gen) RigSB 475; 1288 Willekinus (nom) ibid. 386; 1289 Willekinus (nom) ibid. 17; 1300 Willekino (dat) ibid. 190; 1301 Willikini (gen) ibid. 430; 1315 Willikino (dat) ibid. 317; 1339 Willikinus (nom) ibid. 120
Middle Low German: ● 1573 Wilhelm Arbuzov1920 p. 47; 1582x1594 Wilhelm ibid. p. 47

Malta

Latin: ● 1499 Guiglelmus (nom) Attard1499 p. 116

The Netherlands

Latin: ● 1258 Wilhelmi (gen) hennes-vol1 180
Dutch: ● 1560 Wilhem MagMiddelburg-1560; 1561 Wilhem ibid.; 1562 Wilhem ibid.; 1563 Wilhem ibid.; 1564 Wilhem ibid.; 1566 Wilhem ibid.; 1567 Wilhem ibid.; 1568 Wilhem ibid., Willem ibid.; 1569 Wilhem ibid.; 1570 Wilhem ibid.; 1571 Wilhem ibid.; 1572 Wilhem ibid., Willem ibid.; 1577 Willem ibid.; 1578 Wilhem ibid., Willem ibid.; 1579 Wilhem ibid., Willem ibid.; 1580 Wilhem ibid.; 1581 Wilhem ibid.; 1582 Wilhem ibid.; 1583 Wilhem ibid.; 1584 Wilhem ibid.; 1585 Wilhem ibid.; 1586 Wilhem ibid.; 1587 Wilhem ibid.; 1588 Wilhem ibid.; 1589 Wilhem ibid., Willem ibid.; 1590 Wilhem ibid., Willem ibid.; 1591 Wilhem ibid.; 1592 Wilhem ibid., Willem ibid.

Poland

Latin: ● 1251 Wilhelmus (nom) hennes-vol1 141

Portugal

Latin: ● 1228 Guilhelmus (nom) PHGCRP-I no. 14

Scotland

Latin: ● 1070x1093 Willelmi (gen) ESC X; 1095 Willelmi (nom) ibid. XV, Willelmo (abl) ibid. XV, Willelmus (nom) ibid. XV; 1095x1100 Willelmo (abl) ibid. XVI, Willelmus (nom) ibid. XVI; c1117 Willelmi (gen) ibid. XXIX; c1118 Willelmi (gen) ibid. XXXII; c1120 Willelmo (abl) ibid. XXXV, Willemus (nom) ibid. XXXVI; 1124 Willelmo (abl) ibid. XLIX, Willelmus (nom) ibid. L; 1214–1226 Willelmi (gen) morton-vol1 1, Willelmo (abl) ibid. 1, Willelmus (nom) ibid. 1; 1272x1360 Willielmo (abl) CartStAndrew p. 3; 1309 Willielmo (abl) ibid. p. 2; 1376 Willelmi (gen) morton-vol1 16, Willelmo (dat) ibid. 16, Willelmus (nom) ibid. 16; c1377 Willelmo (abl) ibid. 4; 1381x1388 Willelmi (gen) CartNBer [p. xxxvii], Willelmo (abl) ibid. [p. xxxvii]; 1385 Willelmo (abl) morton-vol1 8; 1424 Wilelmo (dat) RMSRS-2 9; 1425 Wyllielmo (dat) ibid. 28; 1426 Willelmi (gen) ibid. 54, Willelmo (dat) ibid. 54; 1456 Willelmo (abl) morton-vol1 14; 1578 Willelmus (nom) ibid. 15; 1579 Willelmo (dat) RMSRS-4 2948
Scots: ● 1495 William CrimTrials-I1 p. 15; 1506 William RegDunf 497; c1550 Wilȝem CartNBer p. xxiv

Spain

Latin: ● 1011 Guillelmo (dat) CDCB-XV MMCLXX; 1019 Guillermi (gen) ibid. MMCLXXIV; 1020 Willelmus (nom) ibid. MMCLXXV; 1083 Willermi (gen) ibid. MMCCI; 1083x1086 Guillelmus (nom) ibid. MMCCII; 1087 Wilem (nom) ibid. MMCCV, Wilielmus (nom) ibid. MMCCV; 1190 Guillelmus (nom) ibid. MMCCVII, Guillermi (gen) ibid. MMCCVI, Guillermus (nom) ibid. MMCCVI; 1192 Gillelmi (gen) ibid. MMCCVIII, Guillelmi (gen) ibid. MMCCVIII, Guillelmo (dat) ibid. MMCCVIII, Guillelmum (acc) ibid. MMCCVIII, Guillelmus (nom) ibid. MMCCVIII, Guillermi (gen) ibid. MMCCVIII, Guillermus (nom) ibid. MMCCVIII; 1488 Guillelmi (gen) carbonell p. 16, Guillelmus (nom) ibid. p. 21; 1489 Guillelmi (gen) ibid. p. 30, Guillelmus (nom) ibid. p. 30; 1490 Guillelmi (gen) ibid. p. 46; 1491 Guillelmi (gen) ibid. p. 53, Guillelmus (nom) ibid. p. 53; 1492 Guillelmus (nom) ibid. p. 67
Catalan: ● 1510 Guillem valencia1510 3425
Spanish: ● 1376 Guillen SanzSerrano; ◑ 1496 Guillemet olite1496 p. 179

Sweden

Latin: ● 1251 Wilhelmus (nom) CDL-1.1.1 XXII

Switzerland

Latin: ● 1137 Willelmus (nom) CartHaut 2; 1150 Willelmus (nom) ibid. 4; 1154 Willelmus (nom) ibid. 5; 1161 Willelmo (abl) ibid. 11, Willelmum (acc) ibid. 9, Willelmus (nom) ibid. 9; 1162 Willelmi (gen) ibid. 12; 1163 Willelmi (gen) ibid. 13; 1166 Willelmo (abl) ibid. 19, Willelmus (nom) ibid. 20; 1179 Willelmus (nom) ibid. 24; 1180 Willelmus (nom) ibid. 26; 1186 Willelmo (abl) ibid. 27, Willelmum (nom) ibid. 27; 1188 Wulliermo (abl) ibid. 28, Wulliermus (nom) ibid. 28; 1207 Willelmo (abl) ibid. 30; 1214 Willelmus (nom) ibid. 32; 1215 Willelmus (nom) ibid. 33, Willermus (nom) ibid. 34; 1220 Willelmi (gen) ibid. 36, Willelmo (abl) ibid. 36; 1290 Vuillelmus (nom) Ob-SPVn (220); 14thCx1478 Guillelmi (gen) ibid. (32), Guillelmum (acc) ibid. (113), Guillelmus (nom) ibid. (50), Guillermum (acc) ibid. (121), Vuillelmi (gen) ibid. (82), Vuillelmum (acc) ibid. (73), Vuillermum (acc) ibid. (238); 1360 Guillelmus (nom) ibid. (87); 1457 Vuillelmum (acc) ibid. (246)

Wales

Latin: ● 1360 Gwilim (nom) ArchCambIII p. 166; 1452 Gwilim (nom) ibid. p. 71; 1453 Gwilim (nom) ibid. p. 69; 1455 Gwilim (nom) ibid. p. 258; 1457 Gwilim (nom) ibid. p. 259; 1497 Guyllym (nom) ibid. p. 66, Gwyllym (nom) ibid. p. 67

Cite as: G. Grim, R. Le Get, N. Shiel, J. Uckelman, S.L. Uckelman. "William". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 1. http://dmnes.org/2016/1/name/William.