Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
FANNING
As described in historical dictionaries
Patronymica Britannica (1860)
FANNING. The family were located in CO. Limerick, and the name is of record in Ireland temp. Edward II. (D'Altou.) The latter is probably local, and identical with the English Penning.
Surname type: Location or geographical feature
Origin: Celtic
Region of origin: British Isles
Country of origin: Ireland
Religion of origin: Christian
Language of origin: Gaelic