Dictionary of Medieval Names
from European Sources

Theodegaria f. Gothic þiuda 'people, folk' + Old High German, Old Saxon gēr 'spear'.

France
Latin
c823 Teutgaria (nom) irminon-vol2 38, Palatiolum
Cite as: S.L. Uckelman. "Theodegaria". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Theodegaria.