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Dictionary of Medieval Names
from European Sources

Urith f. Of uncertain origin, often connected with St. Hierytha, whose name is also of uncertain origin.

Withycombe s.n. Urith says that the name came into use "about the 17th C"; our examples show that the origin is pre-1600.

England
Early Modern English
1595 Urith DEmar-vol2 p. 31
Cite as: S.L. Uckelman. "Urith". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Urith.