Dictionary of Medieval Names
from European Sources

Osbern m. Old English ōs, Old Icelandic áss, óss 'god' + Old English bera, *beorn, Old Icelandic bjǫrn 'bear'.

Finland
Early Modern Swedish
1548 Esbijor (nom) Audén1980 p. 168
France
Latin
1350 Abiorna (gen) SDHK no. 6036
Ireland
Latin
fin12thC Osbern (nom) MunDocIr III, p. 11
Scotland
Latin
c1100 Osberno (abl) ESC XX; c1118 Osberni (gen) ibid. XXXII
Sweden
Latin
1350 Abyorna (gen) SDHK no. 6010, Abyornæ (gen) ibid. no. 6015, Esbernus (nom) ibid. no. 6051
Old Swedish
1383 Æsbiörn SRA-vol2 no. 1911
Cite as: R. Le Get, S.L. Uckelman. "Osbern". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Osbern.