Senan is an Anglicized form of the Irish name Senán. Both names are steeped in early Irish Christian history, most notably linked to a 6th-century saint.EtymologySenán derives from Old Irish sen 'old' combined with a diminutive suffix, giving the meaning 'little old one'. This structure is common in early Irish naming, where a personal quality is paired with a diminutive to express affection or stature. A variant form is Seanán, which shares the same root.Saint SenánSaint Senán was a 6th-century Irish monk who founded a monastery on Inis Cathaigh (Scattery Island) in County Clare. He is one of the early Irish saints credited with spreading Christianity in the west of Ireland, and his feast day is March 8. The name's association with this venerated figure contributed to its historical use in Ireland.Cultural ContextWhile Senan is primarily Irish, a homonymous Breton form also exists derived from Senán. In Brittany, the name (senior, wːd ⟨Senan⟩ aligned with recent attestation so accept) appears in similar variation like Sezni. This cross-Celtic link reflects early Irish missionary influence on Brittany.Distribution and Modern UsageToday, Senan is a masculine given name used among Irish families and those of Irish descent. It remains moderately common, and may be considered a traditional revival name. The original form Senán is more frequent in modern Ireland.Meaning: Little old oneOrigin: Irish (Old Irish)Type: First nameUsages: Irish, BretonRelated forms: Senán, Seanán