Dictionary of Medieval Names
from European Sources

Oswi m. Old Icelandic áss, óss, Old English ōs 'god' + Old Saxon, Old English wig, Old High German wīc 'war, battle'.

England
Latin
1189 Oswi (nom) GASurv p. 173
Cite as: S.L. Uckelman. "Oswi". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Oswi.