Jacob

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Dictionary of Medieval Names
from European Sources

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Jacob m. Hebrew יעקב from Hebrew עקב 'heel'.

The name of one of the Biblical patriarchs of the Israelites, two of the 12 apostles, a 1st C saint, a 4th C Assyrian saint, a 5th C Persian saint, a 7th C Italian saint, a 9th C Spanish saint, two 13th C kings of Aragon, a 13th C king of Majorca, two 14th C kings of Majorca, three 15th C kings of Scotland, a 15th-16th C king of Scotland, a 16th C king of Scotland, and a 16th-17th C king of Scotland. Wycliffite Bible (1395): James.

The form James, which was pronounced with two syllables throughout the Middle Ages, developed in the British Isles from the Latinization Jacomus, which led in southern France to forms like Jacme. Iberian forms Diego, Diago developed as contractions of Santiago, the Spanish name for St. James.

Belgium

Latin: ● 1212x1213 Iacobus (nom) OvdFB 2

Brabant

Latin: ● 1312 Jacobi (gen) JeanIII p. 28; ◑ 1312 Jacqueminus (nom) JeanIII p. 8

Croatia

Latin: ● 1446 Iacob (unc) Brgles p. 10; 1544 Jacobus (nom) ibid. p. 6, fn. 18

Czech Republic

Latin: ● 1349 Jacobo (dat) chlumecky 21, Jacobus (nom) ibid. 141; 1350 Jacobus (nom) ibid. 193; 1353 Jacobus (nom) ibid. 7, p. 21; 1356 Jacob (nom) ibid. 149; ◑ 1349 Jaclinum (acc) chlumecky 73; 1353 Jaklini (gen) ibid. 122

England

Latin: ● 1189 Jacobus (nom) GASurv p. 77; 1296 Jacobi (gen) RCS-1 p. 92b, Jacobus (nom) ibid. p. 92b; 1300 Jacobus (nom) ProcSuf-vol3 p. 238; 1321 Jacobus (nom) EL-2 p. 162; 1362 Jacobo (abl) SocAntNor-3-3 no. 35, Jacobum (acc) ibid. no. 35; 1381 Jacobum (acc) Suffolk1381 p. 114, Jacobus (nom) ibid. p. 76; 1406 Jacobum (acc) EEW p. 14; 1408 Jacobo (abl) ibid. p. 16; 1417–18 Iacobo (dat) ibid. p. 38, Iacobum (acc) ibid. p. 38; 1436 Jacobo (dat) WillsInv LIX; 1476 Jacobo (dat) ibid. LXVII; 1485–1486 Jacobo (abl) CovGuild-2 p. 55; 1499 Jacobo (dat) WillsInv LXXIII; 1530 Jacobo (dat) LIWill-III p. 32; 1552 Jacobus (nom) StMartF p. 57; 1553 Jacobus (nom) ibid. p. 57; 1558/9 Jacobus (nom) Chst-1 p. 9; 1558 Jacobus (nom) StMartF p. 59; 1559 Jacobus (nom) ibid. p. 59; 1561 Jacobus (nom) Chst-1 p. 10; 1562 Jacobi (gen) ibid. p. 11; 1574 Jacobi (gen) ibid. p. 12; 1575 Jacobus (nom) ibid. p. 12
Dutch: ● 1571 Jakes AuFr Bundren; 1572 Jacob ibid. Berdts; 1573 Jacob ibid. Aken; 1574 Jacob ibid. Abeele, Jacobus ibid. Cueninck; 1576 Jacob ibid. Aken, Jacobus ibid. Cueninck, Jacques ibid. Cocq; 1577 Jacob ibid. Blanck, Jacobus ibid. Boeije, Jacques ibid. Buren; 1578 Jacob ibid. Aken; 1579 Jacobus ibid. Blanckesteijn; 1580 Jacob ibid. Bedbor, Jakes ibid. Buven; 1581 Jacob ibid. Francken, Jacobus ibid. Dottenij; 1582 Jacob ibid. Clerckx, Jacques ibid. Buren; 1583 Jacob ibid. Elsen; 1584 Jacques ibid. 1584; 1585 Jacob ibid. Baert, Jacobus ibid. Artsz; 1586 Jacob ibid. Boudaen, Jacobus ibid. Bouchijn, Jaques ibid. Bouchijn; 1587 Jacob ibid. Daele, Jocobus ibid. Colonels; 1588 Jacob ibid. Backer, Jacobus ibid. Caussenare; 1589 Jacob ibid. Balde, Jacobus ibid. Baert, Jacop ibid. Drele, Jacques ibid. Bousij, Jacus ibid. Eggerits; 1590 Jacob ibid. Berghe, Jacus ibid. Cohorst, Jaques ibid. Cousenaere; 1591 Jacob ibid. Beck, Jacques ibid. Garet, Jacus ibid. Cousenaere; 1592 Jacobus ibid. Berchtgrave, Jacus ibid. Biecke; 1593 Jacob ibid. Brant, Jacobus ibid. Backer, Jacques ibid. Buren; 1594 Jacobus ibid. Damme, Jacus ibid. Bulcke; 1595 Jacob ibid. Berck, Jacobus ibid. Backer, Jaques ibid. Bulcke; 1596 Jacob ibid. Busken, Jacobus ibid. Buesecom, Jacus ibid. Bie, Jaques ibid. Biest; 1597 Jacob ibid. Beijrents, Jaques ibid. Bie; 1598 Jacob ibid. Deuxvilles, Jacobus ibid. Cerf, Jaques ibid. Bie; 1599 Jacobus ibid. Bulcke, Jacus ibid. Cousijn, Jaques ibid. Bie
Middle English: ● 1417–18 Iacobbe EEW p. 38, Iamys ibid. p. 39; 1422 Iames ibid. p. 50; 1424–25 Iames ibid. p. 60; 1425 Iames ibid. p. 63; 1436 Iacobo ibid. p. 107
Early Modern English: ● 1526 James WillsInv LXXVII; 1530 Jamys LIWill-III p. 6; 1539 James BarnstapleBap p. 1, Eastleach, Jamys BarnstapleBap p. 1; 1540 James ibid. p. 1; 1541 James ibid. p. 2; 1542 James ibid. p. 2; 1542/3 James SIAcc 2; 1543 James BarnstapleBap p. 3; 1544 James ibid. p. 4; 1545 James ibid. p. 4, StNick-Sf p. 2; 1546 James BarnstapleBap p. 5, StAnthonlin p. 5; 1547 James BarnstapleBap p. 5; 1548 James ibid. p. 6, StAnthonlin p. 7, Jeames ibid. p. 7; 1549 James ibid. p. 7; 1550 Jeames ibid. p. 8; 1551 James BarnstapleBap p. 6; 1552 James ibid. p. 7; 1553 James ibid. p. 7; 1554 James ibid. p. 8, bruton-vol1 p. 26; 1555 James BarnstapleBap p. 9; 1556 James ibid. p. 9; 1558 James SOmar-vol9 p. 1; 1559 James BarnstapleBap p. 10; 1560 James ibid. p. 10, COmar-vol5 p. 1, OrpingtonKe p. 1; 1561 James BarnstapleBap p. 11, COmar-vol5 p. 2, SaxhamSf p. 39, Jamys BarnstapleBap p. 11; 1562 James ibid. p. 11, COmar-vol5 p. 2, OrpingtonKe p. 1, SaxhamSf p. 1, bruton-vol1 p. 4; 1563 James COmar-vol5 p. 3, StAnthonlin p. 15; 1564 James OrpingtonKe p. 2; 1565 James COmar-vol5 p. 3, OrpingtonKe p. 2, SaxhamSf p. 2; 1566 James ibid. p. 56, bruton-vol1 p. 35; 1567 Jacobus HAmar-vol9 p. 2; 1568 Jacob SaxhamSf p. 2; 1569 James CAmar-vol1 p. 2, StAnthonlin p. 20; 1570 James OrpingtonKe p. 3; 1571 James Bar-in-El p. 17, COmar-vol5 p. 4, StAnthonlin p. 21, bruton-vol1 p. 39; 1572 James COmar-vol5 p. 4; 1573 Jacobus (nom) HAmar-vol9 p. 3, James Bar-in-El p. 22, COmar-vol2 p. 121, StAnthonlin p. 22, bruton-vol1 p. 40; 1574 Jacob StAnthonlin p. 24, James Bar-in-El p. 23, CAmar-vol1 p. 3; 1575 James COmar-vol2 p. 122, COmar-vol5 p. 5, bruton-vol1 p. 42; 1576 James COmar-vol5 p. 5, bruton-vol1 p. 42; 1577 Jacob StAnthonlin p. 26, James Bar-in-El p. 8, COmar-vol2 p. 122, Jeames BEmar-vol2 p. 129, HAmar-vol9 p. 68; 1578 James COmar-vol2 p. 122, COmar-vol5 p. 5; 1579 James COmar-vol2 p. 122; 1580 James ibid. p. 122; 1581 James ibid. p. 49, DEmar-vol1 p. 84, DEmar-vol2 p. 6, StMary-Ke p. iv; 1582 James DEmar-vol1 p. 84, DEmar-vol2 p. 7; 1583 James ibid. p. 8, OrpingtonKe p. 6, Jams ibid. p. 6; 1584 James COmar-vol5 p. 7, DEmar-vol2 p. 10, OrpingtonKe p. 7, bruton-vol1 p. 8; 1586 James DEmar-vol2 p. 12, OrpingtonKe p. 8, SaxhamSf p. 40; 1587 James BEmar-vol1 p. 12, DEmar-vol2 p. 13, StAnthonlin p. 32, bruton-vol1 p. 48; 1588 Jacob DEmar-vol2 p. 16, James BEmar-vol1 p. 12, DEmar-vol2 p. 15, OrpingtonKe p. 8, bruton-vol1 p. 48; 1589 James BEmar-vol2 p. 54, COmar-vol5 p. 9, DEmar-vol2 p. 20, HAmar-vol9 p. 50, bruton-vol1 p. 9; 1590 James BEmar-vol2 p. 130, BUmar-vol2 p. 141, Bar-in-El p. 28, COmar-vol5 p. 9, DEmar-vol2 p. 21, StAnthonlin p. 34, bruton-vol1 p. 49; 1591 James BEmar-vol1 p. 14, BEmar-vol2 p. 3, COmar-vol5 p. 9, DEmar-vol2 p. 23, StAnthonlin p. 35; 1592 James Bar-in-El p. 31, CAmar-vol1 p. 5, COmar-vol5 p. 9, DEmar-vol2 p. 24, OrpingtonKe p. 9, StAnthonlin p. 35, bruton-vol1 p. 51; 1593 Jacob DEmar-vol2 p. 28, James DEmar-vol1 p. 86, DEmar-vol2 p. 26, OrpingtonKe p. 9, StAnthonlin p. 36, bruton-vol1 p. 52; 1594 Diego DEmar-vol2 p. 29, James BEmar-vol2 p. 4; 1595 James BEmar-vol1 p. 16, DEmar-vol1 p. 87, DEmar-vol2 p. 32, HAmar-vol9 p. 140, OrpingtonKe p. 9, StAnthonlin p. 37, bruton-vol1 p. 54; 1596 Jacob DEmar-vol2 p. 33, James ibid. p. 33; 1597 Geames StAnthonlin p. 38, James DEmar-vol2 p. 36, bruton-vol1 p. 55; 1598 James BEmar-vol1 p. 17, BUmar-vol9 p. 10, bruton-vol1 p. 11; 1599 James BEmar-vol1 p. 17, bruton-vol1 p. 57

Estonia

Middle Low German: ● 1378 Jacob BbRT p. 335; 1379x1383 Jacob ibid. p. 336; 1386 Jacob ibid. p. 338; 1387 Jacob ibid. p. 339; 1405 Jacob ibid. p. 344; 1406 Jacob ibid. p. 344; 1409 Jacob ibid. p. 345; 1416 Jacob ibid. p. 347; 1417 Jacob ibid. p. 348; 1425 Jakop ibid. p. 350; 1427 Jacob ibid. p. 351; 1428 Jakop ibid. p. 352; 1433 Jacop ibid. p. 356; 1434 Jacop ibid. p. 356; 1437 Jacop ibid. p. 360, Jacopp ibid. p. 361; 1440 Jacob ibid. p. 362; 1441 Jacob ibid. p. 363; 1442 Jachop ibid. p. 364; 1443 Iacob ibid. p. 365; 1524x1532 Jacob (nom) Saareste1923b p. 140; 1592 Jacob Tiik1977 p. 288; ◑ 1524x1532 Chowpi (gen) Saareste1923b p. 137, Jacho (nom) Saareste1923a p. 102, Jaco (nom) Saareste1923b p. 137, Kowpy (nom) Saareste1923a p. 103, Kowypi (gen) Saareste1923b p. 137, Yaco (nom) ibid. p. 136, koup (nom) Saareste1923a p. 103; 1592 Jack Tiik1977 p. 287, Jaeck ibid. p. 288
Early Modern Swedish: ● 1565 Jacob (nom) Hiiumaa p. 292; 1583 Jacob (nom) ibid. p. 182; ◑ 1564 Jaco (nom) Hiiumaa p. 281; 1576 Jacke (nom) ibid. p. 292, Jake (nom) ibid. p. 67

Finland

Early Modern Swedish: ● 1548 Jacop (nom) Audén1980 p. 167; 1559 Jacobs (gen) ibid. p. 166; 1582 Jacob (nom) ibid. p. 171, Jacop (nom) ibid. p. 171; ◑ 1559 Åipe (nom) Audén1980 p. 166; 1582 Kauppe (nom) ibid. p. 171

France

Latin: ● c823 Jacob (nom) irminon-vol2 b, Palatiolum, Jagobus (nom) ibid. 111, Palatiolum; 1138x1148 Jacobus (nom) clairvaux-12thc 21; 1138x1162 Jacobo (abl) ibid. 60; 1147 Jacobi (gen) ibid. 17, Jacobus (nom) ibid. 16; 1147x1158 Jacobus (nom) ibid. 34; 1147x1162 Jacobus (nom) ibid. 55; 1152x1156 Jacobus (nom) ibid. 31; 1163 Jacobi (gen) ibid. 99; 1163–64 Jacobus (nom) ibid. 118; 1164 Jacobus (nom) ibid. 121; 1179 Jacobo (abl) ibid. 170, Jacobus (nom) ibid. 170; 1200 Jacobus (nom) CartNDdOurscamp LXXVII; 1206 Jacobus (nom) ibid.; 1221 Jacobi (gen) ibid. LXXIII; 1226 Jacobum (acc) ibid. LIX; 1239 Jacobi (gen) St-Bernard-Romans 382b; 1251 Iacobo (dat) hennes-vol1 139; 1255 Jacobus (nom) ArrestReg-volI I, Candlemas; 1257 Jacobo (abl) ibid. XVI, Candlemas, Jacobus (nom) ibid. XVI, Candlemas; 1258 Jacobi (gen) ibid. XIX, BMV, Jacobum (acc) ibid. XXV, Pentecost; 1259 Jacobus (nom) ibid. IX, Pentecost; 1273 Iacobo (abl) RegToul-13thC p. 19; 1300 Jacobi (gen) CartNDdOurscamp LXIX, St-Bernard-Romans 382, Jacobus (nom) ibid. 382; 1301 Iacobi (gen) MemPic-vol17 p. 200, Jacobi (gen) ibid. p. 178, Jacobo (abl) ibid. p. 207, Jacobus (nom) ibid. p. 176; 1305 Jacobum (acc) LibSenTou fol. 118; 1306 Jacobum (acc) ibid. fol. 118; 1378 Jacobi (gen) hanquetvol1 37, Jacobo (dat) ibid. 5, Jacobus (nom) ibid. 28; 1421 Jacobi (gen) favier p. 176; ◑ 1274 Jaquetus (nom) RegToul-13thC p. 27; 1313 Jaquemino (abl) CartNDdOurscamp LXXXVIII; 1376 Jacquemonus (nom) St-Bernard-Romans 383; 1378 Coppini (gen) hanquetvol1 295
Old French: ● 1292 Jaques 1292paris p. 1; 1296 Jaques paris1296 p. 7; 1301 Iake (obl) MemPic-vol17 p. 268, Jake (nom) ibid. p. 236, Jakes (nom) ibid. p. 236; 1313 Jacques Paris1313 p. 1, Jaques ibid. p. 4; 1327 Jacques MemDocMan-2 p. 191; ◑ 1296 Jaquet paris1296 p. 14; 1301 Iakemon (obl) MemPic-vol17 p. 268; 1313 Jacquet Paris1313 p. 44, Jaquelot ibid. p. 35, Jaquemart ibid. p. 6, Jaquemin ibid. p. 38, Jaquet ibid. p. 5; 1327 Jamet MemDocMan-2 p. 183
Middle French: ● 1388 Jacques thierry, Jaques ibid.; 1392 Jacques MemBret-II col. 598; 1418 Jaques HGParis p. 372; 1421 Jaques favier 30; 1423 Jaques ibid. 35; 1438 Jacob ibid., Jaques ibid. 168, Jaquob ibid. 379; 1561 Jacob RegPCC-1 p. 5, Jacques ibid. p. 2; 1562 Jacob ibid. p. 9, Jacques ibid. p. 6; 1563 Jacob ibid. p. 18, Jacques ibid. p. 18, Jaques ibid. p. 24; 1564 Jacob ibid. p. 69, Jacques ibid. p. 44, Jaques ibid. p. 50; 1565 Jacob ibid. p. 115, Jacques ibid. p. 122, Jaques ibid. p. 108; 1566 Jacob ibid. p. 199, Jacques ibid. p. 204, Jaques ibid. p. 197; 1588 Jacob raymond1588 p. 567, Jacques ibid. p. 569; 1595 Jacques Toureille; ◑ 1388 Jacquet thierry; 1392 Jacobtin MemBret-II col. 613, Jacquemart ibid. col. 614, Jacquet ibid. col. 599, Jamet ibid. col. 611, Jaquemin ibid. col. 613; 1418 Copin HGParis p. 384, Jacot ibid. p. 378, Jacquet ibid. p. 378, Jaquemin ibid., Jaquet ibid. p. 372, Jaquin ibid. p. 375, Jaquot ibid. p. 373; 1421 Jacquet favier 23, Jamet ibid. 889, Jaquemin ibid. 222, Jaquet ibid. 18, Jaquin ibid. 180; 1423 Jacotin ibid. 21, Jaquet ibid. 26, Jaquin ibid. 241, Jaquinot ibid. 174, Jaquot ibid. 138; 1438 Jaquet ibid. 23

Germany

Latin: ● 1219 Iacobus (nom) hennes-vol1 36; 1259 Jacobi (gen) CDL-1.1.1 XXXI, Jacobus (nom) ibid. XXXI; 1260 Iacobus (nom) hennes-vol1 190; 1401 Jacobo (dat) HD1401 no. 48; 1414 Jacobum (acc) mairhofer DCXCVII; 1415 Jacobum (acc) ibid. DCCI; 1417 Jacobum (acc) ibid. DCCIV, Jacobus (nom) ibid. DCCIV; 1429 Jacobus (nom) ibid. DCCXXIX; 1540 jacobo (abl) quix-vol1 93
Early New High German: ● 1404 Jacob (nom) mairhofer DCLXXVII; 1418 Jacob (nom) ibid. DCCVII; 1429 Jacob (nom) ibid. DCCXXXI, Jacoben (gen) ibid. DCCXXXII; 1497 Jacob Nurn1497 p. 2

Ireland

Latin: ● fin12thC Iacob (nom) MunDocIr III, p. 14, Iacobi (gen) ibid. III, p. 9

Italy

Latin: ● 1224 Iacobus (nom) hennes-vol1 65; 1235 Jacobi (gen) TirNot1 1a; 1236 Jacobi (gen) ibid. 10; 1237 Jacobi (gen) ibid. 581; 1265x1339 Iacobi (gen) BBC-Berg 41; 1277 Iacobus (nom) ibid. p. XLII; 1285 Iacobi (gen) Perugia1285 p. 154, Iacobus (nom) ibid. p. 154; 1293 Iacobus (nom) BBC-Berg p. XLIV; 1294 Iacobi (gen) ibid. p. XLV; 1298 Iacobi (gen) ibid. p. XLV; 1300 Iacobo (abl) ActDipVeneto-I-1 p. 50; 1301 Iacobus (nom) BBC-Berg p. XLV; 1303 Iacobus (nom) ibid. p. XLVI; 1310 Jacobi (gen) MonRav-2 CCCL, Jacobo (abl) ibid. CCCL, Jacobus (nom) ibid. CCCL, Jacomi (gen) ibid. CCCL, Jacomo (abl) ibid. CCCL, Jacomus (nom) ibid. CCCL; 1324 Iacobus (nom) DSF p. 46, 3694; 1326 Jacobi (gen) Friuli-14thC no. 431, Jacobo (abl) ibid. no. 423, Jacobus (nom) ibid. no. 428; 1348 Iacobi (gen) INP 3, Iacobo (dat) ibid. 21, Iacobus (nom) ibid. 3; 1376 Iacobi (gen) DouGen1 p. 231, Iacobo (abl) ibid. p. 16, Iame (gen) ibid. p. 216; 1514 Jacobi (gen) Rossi-StudiStoria p. 274; 1522x1532 Iacobi (gen) DSF p. 50, Iacobus (nom) ibid. p. 50, 1; 1527 Jacobi (gen) Rome1527 p. 83, Jacobus (nom) ibid. p. 83; ◑ 1285 Iacopelli (gen) Perugia1285 p. 158, Iacoputii (gen) ibid. p. 158; 1300 Iacobino (abl) ActDipVeneto-I-1 p. 50; 1310 Jacominus (nom) MonRav-2 CCCL, Jacopello (dat) ibid. CCCL; 1348 Iacobicti (gen) INP 36; 1522x1532 Iacobellus (nom) DSF p. 53, 44

Latvia

Latin: ● 1286 Jacobus (nom) RigSB 486; 1287 Jacobus (nom) ibid. 461; 1290 Jacob (nom) ibid. 227; 1292 Jacob (nom) ibid. 235
Middle Low German: ● 1453 Jacob Arbusow p. 97, Yacob ibid. p. 98, Yacobes (gen) ibid. p. 98; 1460 Jacob Mettig1892 p. 3; 1461 Jacob ibid. p. 3; 1462 Jacob Arbusow p. 99, Mettig1892 p. 6; 1463 Jacob Arbusow p. 99; 1464 Jacob ibid. p. 100; 1510 Jacob Mettig1892 p. 7; 1511 Jacob ibid. p. 7; 1515 Jacob ibid. p. 7; 1522 Jacob ibid. p. 4; 1523 Jacob Arbusow p. 99, Jacup ibid. p. 98, Yacup ibid. p. 97; 1524 Jacob ibid. p. 99, Jakob ibid. p. 91; 1532 Jacob ibid. p. 97; 1540 Jacob ibid. p. 98; 1542 Jacob ibid. p. 99; 1549 Jacob ibid. p. 100; 1558 Jacob Arbuzov1920 p. 45, Jacobs ibid. p. 45; 1565x1577 Jacob Arbusow p. 97, Jacop ibid. p. 97; 1595 Jacop Arbuzov1920 p. 48

Lithuania

Polish: ● 1551x1555 Jakub (gen) Kaunas2006 p. 85, Jakuba (gen) ibid. p. 85; 1561x1565 Jakub (nom) ibid. p. 82, 84

Malta

Latin: ● 1499 Jaymus (nom) Attard1499 p. 115

The Netherlands

Dutch: ● 1560 Jacob MagMiddelburg-1560; 1561 Jacob ibid.; 1562 Iacob ibid., Jacob ibid.; 1563 Iacob ibid.; 1564 Jacob ibid.; 1565 Iacob ibid.; 1566 Iacob ibid.; 1567 Iacob ibid.; 1568 Jacob ibid.; 1569 Jacob ibid.; 1570 Jacob ibid.; 1571 Jacob ibid.; 1572 Jacob ibid.; 1573 Jacob ibid., Jacques ibid.; 1574 Jacob ibid., Jacques ibid.; 1575 Jacob ibid., Jacobs (gen) ibid.; 1576 Iacob ibid., Jacob ibid., Jacobs (gen) ibid.; 1577 Iaco ibid., Iacob ibid., Iacobs (gen) ibid.; 1578 Iacob ibid., Iacobs (gen) ibid.; 1579 Iacob ibid.; 1580 Jacob ibid.; 1581 Jacob ibid.; 1582 Jacob (gen) ibid.; 1583 Jacob ibid., Jacobs (gen) ibid.; 1584 Iacob ibid., Iacobs (gen) ibid., Jacob ibid.; 1585 Iacob ibid.; 1586 Iacob ibid., Iacobs (gen) ibid.; 1587 Iacob ibid., Iacobs (gen) ibid.; 1588 Jacob ibid., Jacobs (gen) ibid.; 1589 Jacob ibid., Jacobs (gen) ibid.; 1590 Jacob ibid., Jacobs (gen) ibid.; 1591 Iacob ibid., Jacob ibid., Jacobs (gen) ibid.; 1592 Iacob ibid.

Poland

Latin: ● 1228 Iacobus (nom) hennes-vol1 p. 81; 1333 Jacobi (gen) SBGlatzer p. 3; 1335x1336 Jacobus (nom) ibid. p. 4; 1337 Jacobi (gen) ibid. p. 4
Middle High German: ● 1332 Jacobi SBGlatzer p. 3; 1332x1333 Jacob ibid. p. 3, Jocob ibid. p. 3

Portugal

Latin: ● 1228 Jacobo (abl) PHGCRP-I no. 14; 1231 Jacobo (dat) ibid. no. 12, Jacobus (nom) ibid. no. 12

Scotland

Latin: ● 1376 Jacobo (abl) morton-vol1 16, Jacobus (nom) ibid. 12; c1377 Jacobo (abl) ibid. 4; 1381x1388 Jacobus (nom) CartNBer [p. xxxvii]; 1383 Jacobo (abl) CartLevenax p. 5; 1385 Jacobo (abl) morton-vol1 8; 1388 Jacobi (gen) ibid. 9, Jacobo (abl) ibid. 9, Jacobum (acc) ibid. 9, Jacobus (nom) ibid. 9; 1390–1406 Jacobo (abl) ibid. 12; 1392 Jacobo (abl) CartLevenax p. 11; 1424 Jacobi (gen) RMSRS-2 13, Jacobo (dat) ibid. 1; 1425 Jacobo (dat) ibid. 20; 1426 Jacobi (gen) ibid. 52, Jacobo (dat) ibid. 42; 1456 Jacobi (gen) morton-vol1 14, Jacobo (dat) ibid. 14, Jacobus (nom) ibid. 14; 1506 Jacobus (nom) RegDunf 496; 1578 Jacobus (nom) morton-vol1 15
Scots: ● 1495 James CrimTrials-I1 p. 15; 1506 James RegDunf 497, Jamis ibid. 497; c1550 James CartNBer p. xxii; 1578 James morton-vol1 15

Spain

Latin: ● 1145 Diego (nom) AnnOPraem-2 col. ccccxxvi; 1487 Jacobi (gen) carbonell p. 11; 1488 Jacobi (gen) ibid. p. 17; 1489 Jacobi (gen) ibid. p. 32, Jacobus (nom) ibid. p. 32; 1490 Jacobi (gen) ibid. p. 45, Jacobus (nom) ibid. p. 42; 1491 Jacobi (gen) ibid. p. 52, Jacobus (nom) ibid. p. 54; 1492 Jacobi (gen) ibid. p. 67, Jacobus (nom) ibid. p. 66
Catalan: ● 1510 Diego valencia1510 3203, Jacme ibid. 4266, Jacobo ibid. 3732, Jaume ibid. 3222
Spanish: ● 1316 Diego deMoxo; 1328 Diego ibid.; 1332 Diego ibid.; 1333 Diego ibid.; 1336 Diego ibid.; 1348 Diago ibid., Diego ibid.; 1495 Jayme montalvo; 1540 Diego SanzSerrano; 1567 Diego ibid.

Sweden

Latin: ● 1350 Jacobo (dat) SDHK no. 6023, Jacobs (gen) ibid. no. 6002; 1383 Jacobus (nom) SRA-vol2 no. 1908
Old Swedish: ● 1383 Jacob SRA-vol2 no. 1917

Switzerland

Latin: ● 1195 Jacobus (nom) CartHaut 29; 1220 Jacobus (nom) ibid. 36; 14thCx1478 Jacobi (gen) Ob-SPVn (21), Jacobum (acc) ibid. (167), Jacobus (nom) ibid. (5); 1342 Jacobus (nom) ibid. (6); ◑ 1179 Jacomed (nom) CartHaut 24; 14thCx1478 Jaqueriodi (gen) Ob-SPVn (65), Jaquerius (nom) ibid. (198), Jaquerodi (gen) ibid. (182), Jaquerodus (nom) ibid. (226), Jaqueti (gen) ibid. (13), Jaqueto (abl) ibid. (110), Jaquetum (acc) ibid. (13), Jaquetus (nom) ibid. (38); 1343 Jaqueti (gen) ibid. (159); 1442 Jaqueti (gen) ibid. (93)

Ukraine

Latin: ● 1469 Iacobo (dat) AGZ-18 20, Iacobum (acc) ibid. 14, Iacobus (nom) ibid. 11; ◑ 1469 Iaczko (nom) AGZ-18 37, Iaczkonem (acc) ibid. 23; 1480 Iaczko (nom) ibid. CIX-1317

Wales

Latin: ● 1143x1151 Iaco (nom) Pryce-1st no. 1; 1198 Iacob (gen) ibid. no. 8

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