Dictionary of Medieval Names
from European Sources

Engelhard m. Old High German engil 'angel' + Old Saxon hard, Old High German hart 'strong, hard'.

Germany
Latin
1212 Engelhardus (nom) hennes-vol1 12; 1213 Engelhardus (nom) ibid. 14; 1219 Engilhardus (nom) ibid. 39
Middle High German
1293 Engelhart (nom) UrkHeil1 53; 1339 Engelhart (nom) ibid. 151, Engelharten (dat) ibid. 151
Early New High German
1497 Engelhar Nurn1497 1236, Engelhart ibid. 1795
Cite as: S.L. Uckelman. "Engelhard". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Engelhard.