The story
- Irish · derived fromÓ Cuilleannáin“descendant of Cuilleannán”
- English todayCullinan
Reduced Anglicized form of Irish Ó Cuilleannáin (“descendant of Cuilleannán”), a personal name deriving from a diminutive form of cuileann (“holly”).
Etymology from Wiktionary, CC BY-SA 4.0.