Skip to main content

Mulcahy

Updated: June 9, 2019
Updated: June 9, 2019

Family name origins & meanings

  • Irish : Anglicized form of Gaelic Ó Maolchathaigh ‘descendant of the devotee of (Saint) Cathach’, a personal name meaning ‘warlike’.

Join the Family

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

Subscribe