Cillín

Irish
"war strife or church"

Cillín Origin and Meaning

The name Cillín is a boy's name.

Cillín is a masculine Irish name with ancient Gaelic origins. Pronounced 'KILL-een,' it is a diminutive form of the name Ceallach, meaning 'bright-headed' or 'war' in Old Irish. The name has historical significance in Ireland, as 'cillín' also refers to unconsecrated burial grounds used for unbaptized infants in historical Irish practice. This connection gives the name a poignant cultural depth. Though relatively uncommon even in Ireland, Cillín has seen some increased interest among those seeking authentic Irish names with historical roots. The name carries a melodic quality characteristic of Irish nomenclature while honoring Gaelic heritage. Outside of Ireland, it remains rare but may appeal to families with Irish connections seeking a distinctive cultural name.