Family name origins & meanings
- Irish : Anglicized form of Gaelic Mac Uighilín ‘son of Huguelin’, a double diminutive of the Norman personal name Hugh. This is the name of an important family in County Antrim.
- Irish : Anglicized form of Gaelic Mac Cuilinn (see McCullen).
- Scottish (of Irish origin) : Anglicized form of Gaelic Mac Coilín (Irish), Mac Cailein (Scottish), a patronymic from the personal name Coilín or Cailean. See Collins.