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Dictionary of Medieval Names
from European Sources

Osbert m. Old English ōs 'god', Old Icelandic áss, óss + Old English beorht, Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz.

The name of a 9th C king of Northumbria.

England
Latin
c1132 Osberto (abl) MemStMF II-I; 1181 Osbertus (nom) StPaulDom p. 113; 1183 Osbertus (nom) BoldonBuke p. 5; 1185x1186 Osberti (gen) PR-XXXVI p. 17, Osbertum (acc) ibid. p. 6, Osbertus (nom) ibid. p. 22; 1189 Osberti (gen) GASurv p. 137, Osbertus (nom) ibid. p. 97; 1222 Osbertum (acc) StPaulDom p. 25, Osbertus (nom) ibid. p. 11, osberti (gen) ibid. p. 2; 1279–80 Osberti (gen) WaHR-SK p. 67; 1296 Osberti (gen) RCS-1 p. 93a, Osbertus (nom) ibid. p. 95a; 1300 Osbertus (nom) ProcSuf-vol3 p. 231
Early Modern English
1558 Osbert SaxhamSf p. 130; 1559 Osberd ibid. p. 134
France
Latin
c1113 Osberto (abl) ChartCaen2 p. 55; c1175–1180 Osbertus (nom) ibid. p. 61; 1178x1182 Osberto (abl) ibid. 3; 1180 Osberti (gen) RotScaNor p. 7, Osberto (abl) ibid. p. 2, Osbertus (nom) ibid. p. 6
Old French
1301 Osebert (obl) MemPic-vol17 p. 241
Ireland
Latin
fin12thC Osberti (gen) MunDocIr III, p. 10, Osbertus (nom) ibid. III, p. 7, Osebertus (nom) ibid. III, p. 22
Scotland
Latin
c1120 Osberto (abl) ESC XXXV; 1124 Osbert (nom) ibid. L
Cite as: S.L. Uckelman. "Osbert". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Osbert.