O' Leary Family History

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O' Leary Name Meaning

Historically, surnames evolved as a way to sort people into groups - by occupation, place of origin, clan affiliation, patronage, parentage, adoption, and even physical characteristics (like red hair). Many of the modern surnames in the dictionary can be traced back to Britain and Ireland.

Similar surnames: O'leary, O'lear, Mccleary, Cleary, O'hearn, O'berry, Leary, O'mary

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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, Day Laborer and Labr were the top 2 reported jobs worked by O' Leary. The most common O' Leary occupation in the USA was Day Laborer. 50% of O' Leary's were Day Laborers.

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

  • Day Laborer

  • Labr


United States shown, England data unavailable

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 25,000 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 1891 UK census records for O' Leary

Passenger List

There are 2,000 immigration records available for the last name O' Leary. Passenger lists are your ticket to knowing when your ancestors arrived in the UK, 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?

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.

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

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