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Dictionary of Medieval Names
from European Sources

Grimald m. Old High German, Old Saxon grim 'grim, fierce, bold' + Old Saxon wald, Old High German walt 'power, authority'.

The name of a 7th C king of the Lombards, a 12th C Italian nobleman who was the namesake of the House of Grimaldi of Monaco, and a 12th C Italian sain.

France
Latin
c823 Grimoldus (nom) irminon-vol2 15, Palatiolum; 909 Grimoldo (abl) St-Bernard-Romans no. 77; a1108 Grimoldus (nom) CartStPC XXI; 1157 Grimaldi (gen) clairvaux-12thc 32; 1273 Grimaldo (abl) RegToul-13thC p. 33, Grimaldus (nom) ibid. p. 32; 1378 Grimaudi (gen) hanquetvol1 462
Germany
Latin
842 Grimaldi (gen) quix-vol1 87
Cite as: S.L. Uckelman. "Grimald". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Grimald.