Dictionary of Medieval Names
from European Sources

Constantine m. Latin Constantinus, a diminutive of Constant, which by the early Middle Ages was treated as an independent name.

The name of a number Roman and Byzantine emperors, a legendary king of Britain, an 8th C pope, an 8th C antipope, a 9th C Byzantine saint, two 9th C kings of Scotland, a 10th C king of Scotland, six patriarchs of Constantinople, several early British saints, a 13th C prince of Novgorod, a 13th C tsar of Bulgaria, a 13th C king of Georgia, a 14th C Serbian ruler, four kings of Armenia, a 15th C king of Georgia.

Brabant
Latin
1312 Constantinus (nom) JeanIII p. 31
Czech Republic
Latin
1399 Constantini (gen) LDFPUP1 p. 19
England
Latin
1189 Constantinus (nom) GASurv p. 147
Estonia
Middle Low German
1412 Coest BbRT p. 346; 1420 Coest ibid. p. 349; 1436 Kosst ibid. p. 358
Finland
Early Modern Swedish
1582 Koske (nom) Audén1980 p. 171
France
Latin
c823 Constantinus (nom) irminon-vol2 10, Palatiolum; 1013 Constantini (gen) CartSavII 8; 1022 Constantinus (nom) DocMonSav p. 99; 1067 Constantinus (nom) CartNDSaintes XII; 1131 Constantinus (nom) ibid. XXIII; 1164 Constantinus (nom) clairvaux-12thc 122; 1171 Constantinus (nom) ibid. 141
Germany
Latin
699 Constantinus (nom) DCEL-2 XI; 1174 Constantinus (nom) quix-vol1 33; 1217 Constantinus (nom) ibid. 71
Ireland
Early Modern English
1591 Constantin IORCHAR-II p. xxvi
Italy
Latin
959 Constantinus (nom) RegSAp 1; 1169 Costantinus (nom) SDE3 III; 1326 Constantini (gen) Friuli-14thC no. 437, Costantini (gen) ibid. no. 441; 1376 Constantini (gen) DouGen1 p. 226, Constantino (abl) ibid. p. 38; 1464 Constantinus (nom) CUP-III-I CCXXXI
Italian
1513x1521 Costantino LeoX p. 20
Scotland
Latin
1093x1107 Constantini (gen) ESC XIV; 1095 Constantini (gen) ibid. XV; a1177 Constantino (abl) CartNBer 3
Spain
Spanish
1495 Gostantin montalvo
Switzerland
Latin
1155 Constantinus (nom) CartHaut 6; 1242 Constantinus (nom) ibid. 44
Cite as: G. Grim, R. Le Get, S.L. Uckelman. "Constantine". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Constantine.