Skip to main content

Updated June 9, 2019

Family name origins & meanings

  • Irish : reduced Anglicized form of Gaelic Mac Thréinfhir ‘son of Tréinfhear’, a byname meaning ‘champion’, ‘strong man’ (from tréan ‘strong’ + fear ‘man’). Compare Trainor.

Join the Family

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

Subscribe