Dictionary of Medieval Names
from European Sources

Unica f. Latin unica 'unique, sole, singular'.

England
Early Modern English
1552 Unica StAnthonlin p. 9
Cite as: S.L. Uckelman. "Unica". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Unica.