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Dictionary of Medieval Names
from European Sources

Richa f. Old High German rih 'ruler', or a diminutive of any of various names beginning with this element, such as Richarde.

England
Latin
1381 Riche (nom) FenPT-2 p. 11
Italy
Latin
1265x1339 Rica (nom) BBC-Berg 434, Richa (nom) ibid. 152; 1304 Ricca (nom) AnnMin6 XII
1265x1339 Richetta (nom) BBC-Berg 359
Spain
Latin
1276 Rica (abl) CDGH XLVI
Cite as: S.L. Uckelman. "Richa". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Richa.