O'sullivan Family History

14-Day Free Trial

GIVE ME ACCESS

O'sullivan Name Meaning

Irish (Munster): Anglicized form of Gaelic Ó Súileabháin ‘descendant of Súileabháin’ (see Sullivan).

Source: Dictionary of American Family Names ©2013, Oxford University Press

Ready to discover your family story?

Simply start with yourself and we'll do the searching for you.

O'sullivan Family Origin

Where is the O'sullivan family from?

SHOW MORE

O'sullivan Family Occupations

What did your O'sullivan ancestors do for a living?

Census records can tell you a lot of little known facts about your O'sullivan ancestors, such as occupation. Occupation can tell you about your ancestor's social and economic status.

SHOW MORE
  • Laborer

    13%
  • Farmer

    7%
  • Keeping House

    6%
  • Carpenter

    2%

In 1880, the most common O'sullivan occupation in the USA was Laborer. 13% of O'sullivan's were Laborers. A less common occupation for the O'sullivan family was Carpenter. Laborer, Farmer and Keeping House were the top 3 reported jobs worked by O'sullivan.

Source: Census data for O'sullivan | Data not to scale

O'sullivan Historical Records

What O'sullivan family records will you find?

Census records can give you a fascinating window into the day-to-day lives of your O'sullivan ancestors - like hours worked per week, level of education, veteran status, employers, and more.

Search 1940's US census records for O'sullivan

Solve your own mystery as you explore your history.

O'sullivan Life Expectancy

What is the average O'sullivan lifespan?

An unusually short lifespan might indicate that your O'sullivan ancestors lived in harsh conditions. A short lifespan might also indicate health problems that were once prevalent in your family. The SSDI is a searchable database of more than 70 million names. You can find birthdates, death dates, addresses and more.

SHOW MORE

United States

Famous O'sullivan Family

Is anyone famous hiding in your tree?

SHOW MORE
John Philip Sousa1854 - 1932 (77)
Grace Kelly1929 - 1982 (52)
Ella Fitzgerald1918 - 1996 (78)
Albert Einstein1879 - 1955 (76)
John Philip Sousa1854 - 1932 (77)
Grace Kelly1929 - 1982 (52)
Ella Fitzgerald1918 - 1996 (78)

Mark Twain1835 - 1910 (74)
Amelia Earhart1897 - 1939 (41)
Victor Hugo1802 - 1885 (83)
Babe Ruth1895 - 1948 (53)
Mark Twain1835 - 1910 (74)
Amelia Earhart1897 - 1939 (41)
Victor Hugo1802 - 1885 (83)
Look up another name