Bjorn m. Old English bera, *beorn, Old High German, Old Saxon bero, Old Norse bjǫrn 'bear' from Proto-Germanic *bernuz.

Austria

Latin

● 928 Pero (nom) UrkStyria 18; c1030 Pero (nom) ibid. 48; c1130 Bero (nom) ibid. 124

Denmark

Danish

● 1581 Biørnn KD-1 no. 362

England

Latin

● 758 Beornes (gen) CSM p. 2

Finland

Old Swedish

● 1405 Biørn (nom) SDHK no. 16441

France

Latin

● 909 Berno (nom) St-Barnard-Romans no. 77; 11thC Berno (nom) ibid. no. 115; 1022 Berno (nom) DocMonSav p. 99; 1179 Baro (nom) clairvaux-12thc 176

◑ 1007x1008 Berillonis (gen) DocMonSav p. 96

Germany

Latin

● 822x875 Bern (nom) TradCorb §26; 1173 Berno (nom) UrkMeck1 no. I; 1174 Berno (nom) ibid. no. III; 1255 Bernonem (acc) hennes-vol1 157; 1322 Beronis (gen) SMM p. 159

Iceland

Middle Icelandic

● 1495 Biorn (nom) DipIs-7 307, Biorns (gen) ibid. 307, Biỏrns (gen) ibid. 307; 1500 Biorn (nom) ibid. 489, Biorns (gen) ibid. 489

The Netherlands

Latin

● 834 Beren (nom) OrkGZ no. 30

Spain

Latin

● 1002 Barone (abl) CDCB-XV MMCLXIV; 1019 Baro (nom) ibid. MMCLXXIV

Sweden

Latin

● 1300 bero (nom) SDHK no. 1873; 1350 Bero (nom) ibid. no. 6032, Byernoni (dat) ibid. no. 6060, Byernonis (gen) ibid. no. 6060

Middle Norwegian

● 1383 Biærne (unc) SRA-vol2 no. 1915

Old Swedish

● 1347 biørn (nom) SDHK no. 5518; 1370 Biorn (nom) ibid. no. 9637; 1383 Biorns (gen) SRA-vol2 no. 1922, Biörn ibid. no. 1911, Byorn ibid. no. 1900, Byorns (gen) ibid. no. 1918; 1409 Biorn (gen) SDHK no. 17265, Biorns (gen) ibid. no. 17273, Biør (gen) ibid. no. 17263, Biørns (gen) ibid. no. 17273, Biørs (gen) ibid. no. 17273; 1411 Biorns (gen) ibid. no. 17663; 1413 Biorns (nom) ibid. no. 18026; 1504 Biørns (gen) HGS p. 151; 1505 Biörn (nom) ibid. p. 151; 1506 Biörn (nom) ibid. p. 152; 1507 Biörn (nom) ibid. p. 152

Early Modern Swedish

● 1543 Biörs (gen) Audén1980 p. 163; 1582 Biörns (gen) HGS p. 159