Start your family tree now Is your surname O'Brien O'Connor?
There are already 1 genealogy profile with the O'Brien O'Connor surname on Geni. Join now to find your relatives.

O'Brien O'Connor Genealogy and O'Brien 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


  • John Thomond O'Brien O'Connor, General (1786 - 1861)
    John Thomond O'Brien (n. Wicklow, Irlanda, junio de 1786 – † Lisboa, Portugal, junio de 1861), militar irlandés que participó en la Guerra de independencia de la Argentina y Chile y en varios conflicto...

About the O'Brien O'Connor surname

This section is a placeholder for information about the O'Brien O'Connor surname. Surname information is crowd-sourced; the Geni community would be grateful if you helped update this page with information about the O'Brien O'Connor surname.

Share some things about the O'Brien O'Connor name.