Dictionary of Medieval Names
from European Sources

Hermar m. Old High German heri 'host, army' + Old High German, Old Saxon māri from Proto-Germanic *mērijaz 'famous'.

Belgium
Latin
1107 Heremarus (nom) CartStBert 3
France
Latin
c823 Airmarus (nom) irminon-vol2 42, CE
Italy
Latin
828 Herimar (nom) FRA-XXXL 12
Cite as: S.L. Uckelman. "Hermar". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Hermar.