Dictionary of Medieval Names
from European Sources

Erhard m. Old High German, Old Saxon era 'honor' + Old Saxon hard, Old High German hart 'strong, hard'.

The name of a 7th C German saint.

Czech Republic
Latin
1343 Erhardo (dat) Rössler2 40, p. 22, Erhardum (acc) ibid. 40, p. 22, Erhardus (nom) ibid. 40, p. 22
France
Latin
1163–64 Erardus (nom) clairvaux-12thc 118; 1164 Erardus (nom) ibid. 121
Old French
1313 Erart Paris1313 p. 95
Middle French
1418 Erart HGParis p. 372; 1421 Erard favier 1268; 1423 Erart ibid. 245
1418 Erardin HGParis p. 378
Germany
Latin
1401 Erhardo (dat) HD1401 no. 181; 1415 Erhardo (abl) mairhofer DCC
Early New High German
1408 Erhard (nom) UrkJen2 14; 1421 Erhard (nom) mairhofer DCCXVII; 1497 Erhart Nurn1497 p. 2
Cite as: S.L. Uckelman. "Erhard". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Erhard.