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Dictionary of Medieval Names
from European Sources

Poncia f. Fem. of Ponce.

The name was rare outside of France.

France
Latin
c1000 Pontię (gen) CartSavII 172; 1060 Poncia (nom) StVdM-II 730; 1158 Pontia (nom) ibid. 702, Pontie (dat) ibid. 702
Switzerland
Latin
1170 Pontia (nom) CartHaut 23
Cite as: S.L. Uckelman. "Poncia". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Poncia.