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; 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 2023, no. 1. http://dmnes.org/2023/1/name/Bertier.