62%RatingSave Gender Masculine Usage Irish, Old Irish [1] Meaning & HistoryExpand Links Diminutive of Flann. This was the name of a 7th-century saint. Categories colors, red Sources & References O'Brien, Kathleen M. Index of Names in Irish Annals, available from https://medievalscotland.org/kmo/AnnalsIndex/Masculine/Flannan.shtml.
