Dictionary of Medieval Names
from European Sources

Adalfrid m. Old English æþel, Old High German adal 'noble' + Old English friþ, Old High German fridu, Old Saxon frithu 'peace'.

England
Latin
967 Æðelferð (nom) CDAS DXXXIII; 1189 Ailfridus (nom) GASurv p. 131
France
Latin
c823 Adalfredus (nom) irminon-vol2 19, Wan; 989 Adalfridi (gen) CartSavII 105
Italy
Latin
9thCx10thC Adalfredus (nom) InvLucca1 I
Cite as: S.L. Uckelman. "Adalfrid". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Adalfrid.