Dictionary of Medieval Names
from European Sources

Waltbert m. Old Saxon wald, Old High German walt 'power, authority' + Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz.

France
Latin
519 Gualdebertus (nom) CartYonne1 I, Vualdebertus (nom) ibid. I; 814 Vualdebertus (nom) StVdM-II F34; c823 Waltbertus (nom) irminon-vol2 5, Gaugiacum
Cite as: S.L. Uckelman. "Waltbert". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Waltbert.