Dictionary of Medieval Names
from European Sources

Madalgaria f. Old High German, Old Saxon mahal 'council, meeting' + Old High German, Old Saxon gēr 'spear'.

France
Latin
814 Madalgaria (nom) StVdM-II H4
Cite as: S.L. Uckelman. "Madalgaria". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Madalgaria.