Skip to main content

Updated June 9, 2019

Family name origins & meanings

  • Irish and Scottish : Anglicized form of Gaelic Mac Cadáin ‘son of Cadán’, a rare surname from County Armagh; or of Mac Adáin or Mac Aidín, both based on a diminutive of the personal name Adam.

Join the Family

Your partner in parenting from baby name inspiration to college planning.

Subscribe