Skip to main content

Updated June 9, 2019

Family name origins & meanings

  • Irish (western Ulster) : Anglicized form of Gaelic Mac Niallghuis ‘son of Niallghus’, a personal name (probably originally a compliment) composed of the personal name Niall ‘champion’ + gus ‘choice’ or ‘vigor’.

Join the Family

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