Dictionary of Medieval Names
from European Sources

Waldo m. Old English weald 'power', Old Saxon wald, Old High German walt 'power, authority'.

Austria
Latin
928 Uualto (nom) UrkStyria 18; c1070 Walt (nom) ibid. 74; 1103 Waldonis (gen) ibid. 95, Walt (nom) ibid. 95, Walto (nom) ibid. 94a
England
Latin
1222 Waldini (gen) StPaulDom p. 82
France
Latin
c823 Waldo (nom) irminon-vol2 25, CE; 937x993 Vualdo (nom) St-Bernard-Romans no. 86
657 Waldaleno (dat) DCEL-2 CCCXXVIII; c823 Waldinus (nom) irminon-vol2 19, CE
Germany
Latin
882 Waldo (nom) quix-vol1 96; 887 Waldo (nom) ibid. 4; 925 Uualto (nom) UrkStyria 14; 1114 Waldonis (gen) ibid. 99
Cite as: S.L. Uckelman. "Waldo". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Waldo.