This page is historical. Follow this link for the current version.
Dictionary of Medieval Names
from European Sources
☙

Deurhoiarn m. Old Breton deur 'brave, courageous' + Old Breton (ho)iarn 'iron'.

France
Latin
● 833 Deurhoiarn (nom) CartRed V
Cite as: S.L. Uckelman. "Deurhoiarn". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2021, no. 1. http://dmnes.org/2021/1/name/Deurhoiarn.