Ingibiornm.Old Norseing(i), of uncertain origin but perhaps identical with the god name Ing or Yngvi, also of uncertain origin + Old Norsebjǫrn 'bear'.
The name appears on rune stune U 181, located at Össeby-Garn, Sweden.
Cite as: S.L. Uckelman. "Ingibiorn". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2021, no. 1. http://dmnes.org/2021/1/name/Ingibiorn.