Ida f. A hypocoristic of any of various names beginning with Old Frankish id, of uncertain origin but perhaps related to Old Icelandic ið 'work, business, occupation', per Morlet.
The name of a 12th C French saint.
The name is sometimes used as an anglicization of Old Irish Íte, the name of a 6th C Irish saint.
Cite as: S.L. Uckelman. "Ida". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Ida.