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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 2018, no. 1. http://dmnes.org/2018/1/name/Ingbald.