Constant
  m.
  
  Latin constans 'constant, unchanging, steadfast; steady, stable'.
  
  
  
  The name of a 4th C Roman emperor and an 8th C Irish saint.
 
  
  
  
- England
- 
- Early Modern English
- ● 1593 Constant StAnthonlin p. 36
 
- France
- 
- Latin
- ● 957x91 Constancii (gen) St-Barnard-Romans no. 109;
 1022 Constantius (nom) DocMonSav p. 99;
 1032x1064 Constantio (abl) LDS LXIV;
 1054 Constantius (nom) StVdM-II 693;
 1067x1074 Constancius (nom) CartNDSaintes XIII;
 1067x1086 Constancius (nom) ibid. XIV;
 1107 Constantio (abl) CartStPC XVII;
 1123 Constantius (nom) CartYonne1 CXXXVI;
 1135 Constantius (nom) clairvaux-12thc 7;
 1138x62 Constantii (gen) ibid. 59,
 Constantius (nom) ibid. 87;
 1143 Constancius (nom) ibid. 10;
 1147 Constantii (gen) ibid. 19,
 Constantio (abl) ibid. 15,
 Constantius (nom) ibid. 19;
 a1163 Constantius (nom) ibid. 97;
 1163 Constantii (gen) ibid. 99;
 1163–64 Constancius (nom) ibid. 115,
 Constantius (nom) ibid. 115;
 1164 Constantius (nom) ibid. 121;
 1168 Constantius (nom) ibid. 134;
 1173 Constantio (abl) ibid. 154;
 1179 Constantii (gen) ibid. 179,
 Constantio (abl) ibid. 176,
 Constantis (gen) ibid. 179,
 Constantius (nom) ibid. 176;
 1180 Constancio (abl) RotScaNor p. 12
- Middle French
- ● 1588 Constant raymond1588 p. 570
 
- Italy
- 
- Latin
- ● 1376 Constancii (gen) DouGen1 p. 216;
 1464 Constantius (nom) CUP-III-I CCXXXI
- Italian
- ● 1513x1521 Costantio LeoX p. 18
 
Cite as: S.L. Uckelman. "Constant". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Constant.