Dictionary of Medieval Names
from European Sources

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; 1179 Bertierus (nom) clairvaux-12thc 178
Germany
Latin
802 Bertharius (nom) FRA-XXXL 7
Cite as: S.L. Uckelman. "Bertier". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Bertier.