Bertier
  m.
  
  Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz + Old High German heri 'host, army'.
  
  
  
  The name of a 9th C Italian saint.
 
  
  
  
- France
- 
- Latin
- ● 658 Bertarius (nom) DCEL-2 CCCXXXIII;
 814 Bertarius (nom) StVdM-II F5;
 1147 Berterius (nom) clairvaux-12thc 15;
 1179 Bertierus (nom) ibid. 178
 
- Germany
- 
- Latin
- ● 802 Bertharius (nom) FRA-XXXL 7
 
- Italy
- 
- Latin
- ● 1265x1339 Berterii (gen) BBC-Berg 1542
 
- The Netherlands
- 
- Latin
- ● 806 Beratheri (gen) OrkGZ no. 25
 
Cite as: A. Brown, J. Pepe, S.L. Uckelman. "Bertier". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2021, no. 1. http://dmnes.org/2021/1/name/Bertier.