close

You Must Be a Member to View These
Records!

Membership is FREE for 7 days and includes:

  • Unlimited search of hundreds of millions of records
  • Access to largest single connected family tree in the world
  • Smart genealogy matching tool that builds your family tree for you

Enter your name and email address to get started:

  • Already a Member?Sign In Here.

  • By providing your email address, you will receive the benefit of research tips, site updates and special offers by email. You can change your email preference at any time.

Find Vital Records Instantly!

O'sullivan Family History

O'sullivan Genealogy & Family Tree

O'sullivan is ranked as the 3,853rd most common name in the United States. The number of people who have that last name is 7,500.

O'sullivan Birth Records
  • Name Birth Date Death Date Location
  • Kate O'Sullivan -- --, 1918 December 0, 1960
  • Donagh O'Sullivan -- --, 1725 December 0, 1798
  • Patrick John O'Sullivan -- --, 1908 December 0, 1960
  • Hanora O'Sullivan -- --, 1855 October 5, 1864 Co Limerick
  • William O'Sullivan -- --, 1848 December 10, 1892 Co Limerick
O'sullivan Death Records
  • Name Birth Date Death Date Location
  • Colonel Colonel Owen-Donal O'Sullivan -- --, 1599 July 15, 1698
  • Dermond Baluff O'Sullivan -- --, 1470 December 0, 1530
  • Daniel O'Sullivan -- --, 1830 December 0, 1884
  • Michael O'Sullivan -- --, 1806 September 23, 1880
  • Mary E O'sullivan -- --, 1877 December 0, 1946
Sign up for a free trial account
and begin tracing your family history today
Begin Free Trial

Click The Letter That Corresponds To Your Family Name