Family name origins & meanings
- Irish : Anglicized form of Gaelic Ó hAllmhuráin ‘descendant of Allmhurán’ (see Halloran).
Exclusive Christmas discount for your expert parenting classes from FamilyEducation — 50% for a limited time only! Click Here to get started.
O'Halloran
Join the Family
Your partner in parenting from baby name inspiration to college planning.
Subscribe