Theodoric

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Dictionary of Medieval Names
from European Sources

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Theodoric m. Gothic þiuda 'people, folk' + Old High German rih 'ruler'.

The name of various early kings of the Visigoths, kings of the Ostrogoths, and Frankish kings, a 6th C Anglo-Saxon king, a 7th C Welsh king, and a 12th C antipope.

This name gave rise to a wide variety of modern forms which are not obviously connected if the origins of the names are not known: English Derek influenced by Dutch Derrick, Low German Diderik; French T(h)ierry; German Dietrich. Often confused with Theodore. The German vernacular form Dietrich is witnessed between 1074 and 1087 in the place name Dietrichesdorf (UrkStyr 77) and in 1103 in the place name Dietrichstaine (UrkStyr 94a).

Austria

Latin: ● c1030 Dietrich (nom) UrkStyria 48; c1055 Dietrih (nom) ibid. 61; c1100 Dietricus (nom) ibid. 89; c1128 Dietrich (nom) ibid. 120; c1130 Dietricus (nom) ibid. 122a; 1237 Theodericus (nom) hennes-vol1 96

Belgium

Latin: ● 1110 Theodericus (nom) CartStBert 4; c1130 Theodericus (nom) ibid. 12; 1133 Theodericus (nom) ibid. 13, Theodorico (abl) ibid. 13; 1212x1213 Theodericus (nom) OvdFB 2
Middle Dutch: ● 1371 Diederic (nom) NotComDest III, Diedericx (gen) ibid. III
Dutch: ● 1597x1598 Dierick BoonenGes p. 321, Diericx (gen) ibid. p. 368
Old French: ● 1246 Thiery (obl) AnNam p. 144; 1267 Thieris (nom) OvdFB 9

Brabant

Latin: ● 1312 Terrici (gen) JeanIII p. 21, Theoderici (gen) ibid. p. 17, Theodericum (acc) ibid. p. 25, Theodericus (nom) ibid. p. 24, Theodirici (gen) ibid. p. 25, Theodorici (gen) ibid. p. 12, Theodoricus (nom) ibid. p. 5; ◑ 1312 Diddokinus (nom) JeanIII p. 33

Czech Republic

Latin: ● 1287 Theodrico (dat) RTT-1.1 I; 1331 Theodrici (gen) Rössler1 32; 1337 Theodrici (gen) ibid. 29; 1348 Theodrico (abl) chlumecky 1; 1349 Theodrico (dat) ibid. 13; 1350 Theodrico (abl) ibid. 194; 1351 Theodrico (abl) ibid. 1; 1353 Theodrico (abl) ibid. 60, Theodricum (acc) ibid. 1, p. 21; 1354 Theoderico (abl) ibid. 50; 1355 Theoderico (abl) ibid. 63, Theodericus (nom) ibid. 83; 1356 Dietrzich (nom) ibid. 166, Dyetrico (dat) ibid. 130; 1358 Theodrico (dat) ibid. 276, p. 32; ◑ 1343 Ditlini (gen) Rössler2 41, p. 23, Ditlinum (acc) ibid. 42, p. 24, Ditlinus (nom) ibid. 41, p. 23, Dittlino (dat) ibid. 383, p. 174, Dittlinus (nom) ibid. 383, p. 175; 1348 Dytlinus (nom) chlumecky 11; 1349 Dytlinus (nom) ibid. 17; 1350 Ditlinus (nom) ibid. 186; 1351 Dytlinus (nom) ibid. 29; 1353 Dytlini (gen) ibid. 115, Dytlinus (nom) ibid. 88; 1356 Dyetlino (dat) ibid. 131
Middle High German: ● c1339 Ditreichs (gen) Rössler1 93; c1361 Ditreichs (gen) ibid. 84; ◑ 1318 Dityl (nom) Rössler1 45; c1339 Dytil (nom) ibid. 93; 1344 Dytel (nom) ibid. 99; c1361 Ditel (nom) ibid. 84; 1364 Ditel (nom) ibid. 59

Denmark

Danish: ● 1581 Dirich KD-1 no. 362, Diricks (gen) ibid. no. 362, Ditrich ibid. no. 362

England

Latin: ● 1155 Theodorici (gen) FPD p. 121, fn. 1; 1181 Theodoricus (nom) StPaulDom p. 115, theodorico (abl) ibid. p. 111; 1189 Tedricus (nom) GASurv p. 234, Teodricus (nom) ibid. p. 231, Theodricus (nom) ibid. p. 226; 1222 Theodoricus (nom) StPaulDom p. 63, thedricus (nom) ibid. p. 29, theodorici (gen) ibid. p. 8
Dutch: ● 1571 Dierick AuFr Cornelis; 1575 Dierick ibid. Eijcke; 1580 Theodoricq ibid. Diericks; 1586 Dierick ibid. Aelbertinck; 1587 Dierick ibid. Clopperijs; 1589 Dierick ibid. Alensone; 1591 Dierick ibid. Burman; 1593 Dierick ibid. Baerman; 1594 Dierick ibid. Coster; 1596 Dierick ibid. Coster; ◑ 1596 Tielman AuFr Brun
Early Modern English: ● 1532–1533 Derike CovGuild-2 p. 111; 1549 Dirick StNick-Sf p. 2; 1584 Derick DEmar-vol2 p. 10

Estonia

Middle Low German: ● 1385 Diderik BbRT p. 338; 1387 Diderik ibid. p. 339; 1400 Diderik ibid. p. 342; 1404 Diderik ibid. p. 343; 1405 Diderik ibid. p. 344; 1409 Tijderik ibid. p. 345; 1411 Diderik ibid. p. 346; 1416 Diderik ibid. p. 347; 1419 Diderik ibid. p. 348; 1421 Diderik ibid. p. 349; 1422 Diderik ibid. p. 350; 1424 Diderik ibid. p. 350; 1425 Dyderik ibid. p. 350; 1426 Diderik ibid. p. 351; 1427 Dyderik ibid. p. 352; 1428 Dyderyk ibid. p. 352, Dyderynk ibid. p. 353; 1431 Dyderik ibid. p. 355, Dyderyk ibid. p. 355; 1432 Dyderik ibid. p. 355; 1434 Dyderik ibid. p. 356; 1435 Deyttert ibid. p. 358; 1436 Dyderick ibid. p. 358; 1437 Dyderick ibid. p. 360, Dyderik ibid. p. 361, Dyderyck ibid. p. 359; 1438 Dyderyk ibid. p. 361; 1440 Dyderyk ibid. p. 362; 1441 Dyderyk ibid. p. 363; 1442 Diderk ibid. p. 364; 1592 Diterich Tiik1977 p. 288; ◑ 1376 Tideman BbRT p. 335; 1377 Tideman ibid. p. 335, Tydiken ibid. p. 335; 1378 Tydike ibid. p. 335; 1383 Tideman ibid. p. 337, Tidike ibid. p. 337, Tydeman ibid. p. 337, Tydike ibid. p. 337; 1384 Tidike ibid. p. 338; 1385 Tideman ibid. p. 338, Tydeman ibid. p. 338, Tydike ibid. p. 338; 1386 Tydike ibid. p. 338; 1387 Tydeman ibid. p. 339; 1390 Tideman ibid. p. 340, Tydeke ibid. p. 340, Tydeman ibid. p. 339, Tydike ibid. p. 339; 1391 Tideke ibid. p. 340, Tidike ibid. p. 340; 1394 Tydeman ibid. p. 341; 1397 Tydeke ibid. p. 340, Tydike ibid. p. 341; 1398 Tydike ibid. p. 342; 1400 Tydeman ibid. p. 342, Tydike ibid. p. 342; 1403 Tijdike ibid. p. 343; 1404 Tijdike ibid. p. 343; 1405 Tijdeke ibid. p. 344; 1406 Tideman ibid. p. 344, Tijdeman ibid. p. 344; 1407 Tijdike ibid. p. 344; 1408 Tijdeman ibid. p. 345; 1409 Tidike ibid. p. 345, Tijdike ibid. p. 345; 1411 Tijdike ibid. p. 346; 1412 Tijdike ibid. p. 346; 1414 Tideman ibid. p. 347, Tijdeman ibid. p. 347; 1415 Tijdeke ibid. p. 347; 1416 Tideke ibid. p. 347; 1419 Tijdike ibid. p. 348; 1420 Tidike ibid. p. 349, Tijdeman ibid. p. 349; 1421 Tijdike ibid. p. 349; 1426 Tideman ibid. p. 351, Tydeke ibid. p. 351; 1427 Tideke ibid. p. 351; 1428 Tydedeynk ibid. p. 353, Tydek ibid. p. 352; 1429 Tidike ibid. p. 354; 1430 Tydeman ibid. p. 354; 1431 Tydeke ibid. p. 355, Tydeman ibid. p. 355; 1432 Tideken ibid. p. 355; 1434 Tydeke ibid. p. 356; 1435 Tydeken ibid. p. 358; 1437 Tydeman ibid. p. 360; 1438 Tydeke ibid. p. 361, Tydeman ibid. p. 361; 1439 Tydeke ibid. p. 362; 1440 Tideman ibid. p. 362; 1441 Tydeman ibid. p. 363; 1442 Tyman ibid. p. 364; 1443 Tideman ibid. p. 365, Tile ibid. p. 365, Tydeman ibid. p. 365; 1444 Tydeman ibid. p. 365; 1592 Tous Tiik1977 p. 288
Early Modern Swedish: ◑ 1565 Dirich (nom) Hiiumaa p. 292

France

Latin: ● 814 Teodericus (nom) StVdM-II F2; c823 Teudericus (nom) irminon-vol2 40, Ved, Teudricus (nom) ibid. 27, Palatiolum; 1101x1129 Teodericus (nom) CartStPC XVI; 1138 Theodoricus (nom) CartNDdOurscamp LXXXIX; 1138x62 Terrici (gen) clairvaux-12thc 67, Theodericus (nom) ibid. 59; 1138x1162 Didirs (nom) ibid. 69; 1141 Theodorico (abl) CartNDdOurscamp LXXI; 1142 Theodericus (nom) clairvaux-12thc 9; 1147 Theoderico (abl) ibid. 14; 1147x1162 Teodericus (nom) ibid. 42, Terricus (nom) ibid. 55; 1162 Theodericus (nom) ibid. 40; 1163 Theodorico (abl) ibid. 104; 1163–64 Thedericus (nom) ibid. 118; 1164 Thedericus (nom) ibid. 121, Theodoricus (nom) ibid. 122; 1166 Theodoricus (nom) CartNDdOurscamp XCI; 1178 Teodericus (nom) clairvaux-12thc 168; 1179 Teodericus (nom) ibid. 171, Terrico (abl) ibid. 181, Terricus (nom) ibid. 179, Tierree (gen) ibid. 181; 1180 Teoderici (gen) RotScaNor p. 38; 1238 Tierrici (gen) CartNDdOurscamp CXXX; 1251 Theoderico (abl) hennes-vol1 139; 1259 Therricum (acc) ArrestReg-volI III, BMV; 1260 Therricum (acc) ibid. V, Candlemas; 1273 Thierrici (gen) NDParisII 2-XLIII; 1378 Theoderici (gen) hanquetvol1 160, Theoderico (dat) ibid. 548, Theodericus (nom) ibid. 948, Theodorici (gen) ibid. 583, Theodorico (dat) ibid. 266, Theodrico (dat) ibid. 862, Tierri (nom) ibid. 2090; ◑ 1350 Thidemanni (gen) SDHK no. 6017; 1378 Tidemanni (gen) hanquetvol1 322, Tielmanni (gen) ibid. 41, Tilemani (gen) ibid. 1525
Old French: ● 1268 Thierri (obl) HistHdVParis p. 104; 1292 Tierri (obl) MemBret-I 1102; 1296 Thyerri (obl) HistHdVParis p. 134, Tierri paris1296 p. 34; 1301 Terri (obl) MemPic-vol17 p. 232; c1301 Thierri (obl) HistHdVParis p. 151; 1313 Thierri Paris1313 p. 37; ◑ 1313 Thierrion Paris1313 p. 29
Middle French: ● 1418 Thierry DdB1418 p. 212, HGParis p. 386; 1421 Thierry favier 1074; 1423 Thierry ibid. 434; 1438 Thierry ibid. 199

Germany

Latin: ● 822x875 Theodericus (nom) TradCorb §37, Theodoricus (nom) ibid. §37, Thiadric (abl) ibid. §28, Thiadrico (abl) ibid. §68, Thiadricus (nom) ibid. §40; 966 Theoterici (gen) quix-vol1 14; 1045 Theodericus (nom) UrkStyria 55; 1064 Theodoricus (nom) quix-vol1 92; 1100 Theodericus (nom) ibid. 78; 1103 Theoderici (gen) ibid. 62; 1122 Teoderici (gen) ibid. 27; 1137 Theodorici (gen) ibid. 102; 1173 Teoderico (abl) ibid. 81; 1174 Teodericus (nom) ibid. 32; 1180 Teodericus (nom) ibid. 34; 1185 Teodericus (nom) ibid. 36; 1194 Theodericus (nom) ibid. 54; 1197 Theoderici (gen) ibid. 83, Theodericus (nom) ibid. 83, Theudericus (nom) hennes-vol1 2, Thidericus (nom) CDL-1.1.1 I; 1200 Dietricus (nom) UrkRott-1 9, Theodericus (nom) hennes-vol1 5; 1206 Didericus (nom) ibid. 7, Theodericus (nom) ibid. 7; 1208 Tiricus (nom) quix-vol2 124; 1210 Thiderico (abl) CDL-1.1.1 IV; 1212 Theoderico (abl) quix-vol2 125, Theodericus (nom) hennes-vol1 12; 1214 Theoderici (gen) ibid. 16, Theodericus (nom) ibid. 15, Tidericus (nom) ibid. 16; 1214x15 Diedricus (nom) ibid. 19; 1215 Theodericus (nom) quix-vol2 126; 1216 Ditericus (nom) hennes-vol1 24, Theoderico (abl) ibid. 26, Theodericus (nom) ibid. 22; 1218 Theodericus (nom) ibid. 29; 1219 Theodericus (nom) ibid. 41, Thiedericus (nom) ibid. 37; 1220 Theodericus (nom) ibid. 47; 1221 Theodericus (nom) ibid. 58; 1222? Theodericum (acc) quix-vol2 133; 1222 Theodericus (nom) quix-vol1 74, quix-vol2 134; 1222? Theodoricus (nom) ibid. 133; 1222 Tidericus (nom) quix-vol1 74, Tiricus (nom) quix-vol2 132; 1225 Theodericus (nom) hennes-vol1 68; 1229 Tydericus (nom) CDL-1.1.1 X; 1231 Thidericus (nom) ibid. XI; 1233 Teodericus (nom) ibid. XIV, Theodericus (nom) hennes-vol1 88; c1235 Theodericus (nom) UrkHan 1; 1236 Theodericus (nom) hennes-vol1 94; 1240 Theoderici (gen) ibid. 103; 1241 Theodericus (nom) ibid. 107; 1242 Theodericus (nom) ibid. 109; 1245 Theodericus (nom) ibid. 121; 1251 Theodericus (nom) ibid. 140; 1258 Theoderico (dat) ibid. 172; 1259 Theodericus (nom) CDL-1.1.1 XXXI, Thidericus (nom) ibid. XXXI; 1310 Thiderico (abl) UrkHan 4, Thidericus (nom) ibid. 4; 1313 Tidericum (acc) VFBStralsund 32; 1317 Thidericus (nom) ibid. 53, Thiderisci (gen) ibid. 53; 1321 Thiderico (abl) ibid. 75; 1323 Thidericus (nom) ibid. 99; 1351 Thidericum (acc) UrkHan 8; 1401 Theoderico (dat) HD1401 no. 29, detheri (gen) ibid. no. 388, dyderico (dat) ibid. no. 86; 1408 Theodericus (nom) UrkJen2 13; ◑ 1214 Dietherus (nom) hennes-vol1 15; 1225 Dietherus (nom) ibid. 68; 1233 Dietho (nom) ibid. 88; 1259 Thidemannus (nom) CDL-1.1.1 XXXI; 1310 Tydeko (nom) VFBStralsund 10; 1322 Thideke (nom) ibid. 72; 1358 Thidemannus (nom) SDHK no. 7438; 1401 Tilmanno (dat) HD1401 no. 57, tylmanno (dat) ibid. no. 103
Middle High German: ● 1293 Ditrich (acc) UrkWitt-II 187; 1339 Dietrichen (acc) UrkHeil1 151
Early New High German: ● 1406 Ditterich (nom) UrkJen2 5, Ditteriche (dat) ibid. 5; 1408 Ditterich (nom) ibid. 14; 1409 Dietrich (nom) ibid. 16, Ditterich (nom) ibid. 17, Ditteriche (dat) ibid. 19; 1410 Ditherich (nom) ibid. 20; 1424 Dietrich (nom) UrkRott-1 891; 1497 Dieterich Nurn1497 853; ◑ 1497 Dietz Nurn1497 p. 1
Middle Low German: ● 1347 Diderickes (gen) UrkHan 7

Ireland

Latin: ◑ fin12thC Tilaman (gen) MunDocIr III, p. 16

Italy

Latin: ● 1237 Diatricus (nom) TirNot1 580; 1257 Theodericus (nom) hennes-vol1 165; 1261 Ditricus (nom) FRA-XXXL 209; 1285 Tederici (gen) Perugia1285 p. 159; 1326 Dyetrico (abl) Friuli-14thC no. 446

Latvia

Latin: ● 1286 Thidericus (nom) RigSB 484; 1287 Teoderico (dat) ibid. 216, Thiderico (dat) ibid. 213; 1288 Tiderico (dat) ibid. 523; 1289 Tiderici (gen) ibid. 389, Tiderico (dat) ibid. 16, Tidericus (nom) ibid. 339; 1292 Thiderico (dat) ibid. 145; 1293 Thiderico (dat) ibid. 245; 1294 Thiderici (gen) ibid. 155; 1295 Thiderici (gen) ibid. 358; 1298 Thidericus (nom) ibid. 402; 1302 Theoderico (dat) ibid. 196; 1303 Thiderico (dat) ibid. 100; 1307 Theoderico (dat) ibid. 107, Theodericus (nom) ibid. 113; 1315 Theoderico (dat) ibid. 315; 1342 Tydericus (nom) ibid. 381; ◑ 1286 Thidemanno (dat) RigSB 475, Thiderico (dat) ibid. 477; 1302 Tidemanno (dat) ibid. 92; 1303 Thidemanno (dat) ibid. 99, Tidemanno (dat) ibid. 460; 1332 Tidemanni (dat) ibid. 118
Middle Low German: ● 1452 Didericus Arbusow p. 97; 1523 Dyryck ibid. p. 97; 1565x1577 Dirick ibid. p. 98

The Netherlands

Latin: ● 1212 Teodoricus (nom) CLI p. 149; 1254 thiderici (gen) GesOIJ-1 p. 294, thidericus (nom) ibid. p. 293; 1268 Thedericus (nom) ibid. p. 295; 1288 Tidericus (nom) ibid. p. 296; 1291 tiderici (gen) ibid. p. 297; 1297 thidericus (nom) ibid. p. 297; 1330 Theodericus (nom) ibid. p. 299; 1347 theodericus (nom) ibid. p. 300; 1349 theoderici (gen) ibid. p. 300, theodericus (nom) ibid. p. 300; 1356 theoderici (gen) ibid. p. 301, theodericus (nom) ibid. p. 301; 1364 theodericus (nom) ibid. p. 302; 1369 Theodericus (nom) ibid. p. 303; 1387 theodericus (nom) ibid. p. 304; ◑ 1284 tydemannus (nom) GesOIJ-1 p. 296; 1288 tidemanni (gen) ibid. p. 296; 1291 Tidemannus (nom) ibid. p. 297; 1297 thidemannus (nom) ibid. p. 297; 1311 thijdemannus (nom) ibid. p. 298
Middle Dutch: ● 1380 Dirxss (gen) GesOIJ-4 p. 186
Dutch: ● 1573 Dirck MagMiddelburg-1560; 1574 Dirck ibid.

Poland

Latin: ● 1232 Theodericus (nom) hennes-vol1 87
Middle High German: ● 1324x1332 Diterich SBGlatzer p. 1

Sweden

Latin: ◑ 1353 Tidemanni (gen) SDHK no. 6627, Tidemanno (abl) ibid. no. 6627

Cite as: R. Le Get, J. Uckelman, S.L. Uckelman. "Theodoric". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Theodoric.