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Dictionary of Medieval Names
from European Sources

Hartmund m. Old Saxon hard, Old High German hart 'strong, hard' + Old English mund 'protector', Old Saxon mund, Old High German munt 'hand, protection'.

Germany
Latin
1219 Hartmundus (nom) hennes-vol1 40
Preview. DO NOT cite as: S.L. Uckelman. "Hartmund". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 1. http://dmnes.org/2015/1/name/Hartmund.