Dictionary of Medieval Names
from European Sources

Ingbald m. Old Icelandic ing(i), of uncertain origin but perhaps identical with the god name Ing or Yngvi, also of uncertain origin + Old High German bald 'bold'.

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