Dictionary of Medieval Names
from European Sources

Gilbald m. Old High German gīsal 'pledge, hostage' + Old High German bald 'bold'.

France
Latin
c823 Gisleboldus (nom) irminon-vol2 3, Gaugiacum; 876 Gilbaldo (abl) InsMacon XI, Gilbaldus (nom) ibid. XI
Cite as: S.L. Uckelman. "Gilbald". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Gilbald.