O'leary Family History

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O'leary Name Meaning

Irish (Munster): Americanized form of Ó Laoghaire ‘descendant of Laoghaire’, a byname originally meaning ‘keeper of the calves’, from laogh ‘calf’. This was the name of a 5th-century king of Ireland.

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


Similar surnames: Leary, O'berry, O'hearn, Cleary, O'barr, Geary, O'hara, O'gara, O'dea

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O'leary Family Origin

Where is the O'leary family from?

O'leary Family Occupations

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

In 1880, Laborer, Farmer and Keeping House were the top 3 reported jobs worked by O'leary. A less common occupation for the O'leary family was Teamster. The most common O'leary occupation in the USA was Laborer. 21% of O'leary's were Laborers.

View Census data for O'leary | Data not to scale

  • Laborer

    21%
  • Farmer

    13%
  • Keeping House

    9%
  • Teamster

    2%

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

O'leary Historical Records

What O'leary family records will you find?

Census Record

There are 3,000 census records available for the last name O'leary. Like a window into their day-to-day life, O'leary census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search 1940's US census records for O'leary

Passenger List

There are 642 immigration records available for the last name O'leary. Passenger lists are your ticket to knowing when your ancestors arrived in the USA, and how they made the journey - from the ship name to ports of arrival and departure.

View all O'leary immigration records

Draft Card

There are 1,000 military records available for the last name O'leary. For the veterans among your O'leary ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all O'leary military records

You've only scratched the surface of O'leary family history.

O'leary Life Expectancy

What is the average O'leary lifespan?

Between 1986 and 2004, in the United States, O'leary life expectancy was at its lowest point in 1992, and highest in 1997. The average life expectancy for O'leary in 1986 was 63, and 68 in 2004.

View Social Security Death Index (SSDI) for O'leary

An unusually short lifespan might indicate that your O'leary 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.

Famous O'leary Family

Is anyone famous hiding in your tree?

James Dean1931 - 1955 (24)
Ansel Easton Adams1902 - 1984 (82)
Babe Ruth1895 - 1948 (53)
Grace Kelly1929 - 1982 (52)
Albert Einstein1879 - 1955 (76)
Victor Hugo1802 - 1885 (83)
Martin Luther King, Jr.1929 - 1968 (39)
Frank Lloyd Wright1867 - 1959 (91)
James Dean1931 - 1955 (24)
Ansel Easton Adams1902 - 1984 (82)
Babe Ruth1895 - 1948 (53)
Grace Kelly1929 - 1982 (52)
Albert Einstein1879 - 1955 (76)
Victor Hugo1802 - 1885 (83)
Martin Luther King, Jr.1929 - 1968 (39)
Frank Lloyd Wright1867 - 1959 (91)
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