Dictionary of Medieval Names
from European Sources

Hagan m. Old French hagan lengthened from Old Saxon hago, Old Icelandic hagi 'pasture, yard, enclosed land'.

France
Latin
1125 Haganonis (gen) CartStBert 10; 1138x1148 Agano (nom) clairvaux-12thc 21, Aganonis (gen) ibid. 21; 1147 Agano (nom) ibid. 14, Hagano (nom) ibid. 14
Cite as: S.L. Uckelman. "Hagan". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Hagan.