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

Denmark

Middle Danish

● 1496 Esbern KD-1 no. 185

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 Aberni (gen) SDHK no. 6023, Abyorna (gen) ibid. no. 6010, Abyornæ (gen) ibid. no. 6015, Esbernus (nom) ibid. no. 6051

Old Swedish

● 1377 Abyornæ (gen) SDHK no. 11025; 1383 Æsbiörn SRA-vol2 no. 1911; 1401 Esbiorn (nom) SDHK no. 15698; 1404 Æsbiorn (nom) ibid. no. 16266; 1409 Abiørnas (gen) ibid. no. 17269; 1410 Esbiorns (gen) ibid. no. 17485; 1411 Esbiorns (gen) ibid. no. 17737; 1414 Esbiørn (nom) ibid. no. 18236