Start your family tree now Is your surname O'connor?
There are already 758 users and over 5,000 genealogy profiles with the O'connor surname on Geni. Explore O'connor genealogy and family history in the World's Largest Family Tree.

O'connor Genealogy and O'connor Family History Information

‹ Back to Surnames Index

Create your Family Tree.
Discover your Family History.

  • Build your family tree online
  • Share photos and videos
  • Smart Matching™ technology
  • Free!


view all


About the O'connor surname


  • O'Connor is a surname of Irish origin, originally meaning Ó Conchobhair ("grandson/descendant of Conchobhar").


  • Conners
  • O'Conner

Links and sources