Dictionary of Medieval Names
from European Sources

Imberg f. A hypocoristic of Old High German ermen, Old Saxon irmin 'strong' + Old High German berg 'mountain, hill'.

England
Latin
1189 Ymberga (nom) GASurv p. 154
Cite as: S.L. Uckelman. "Imberg". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Imberg.