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O'halleran Family History

O'halleran Surname 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'halloran, Halleran, Halloran, Holleran, Alleman, Hallman, Haller

Search for a relative to learn more about your family history.

Hint: Try searching for a relative alive in 1940.

Where is the O'halleran family from?

You can see how O'halleran families moved over time by selecting different census years. The O'halleran family name was found in the USA in 1880. In 1880 there were 10 O'halleran families living in Maine. This was about 26% of all the recorded O'halleran's in USA. Maine and 1 other state had the highest population of O'halleran families in 1880.
Use census records and voter lists to see where families with the O'halleran surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
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What O'halleran family records will you find?

Census Records

There are 504 census records available for the last name O'halleran. Like a window into their day-to-day life, O'halleran census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search Canadian census records for O'halleran

Passenger Lists

There are 162 immigration records available for the last name O'halleran. Passenger lists are your ticket to knowing when your ancestors arrived in Canada, and how they made the journey - from the ship name to ports of arrival and departure.

View all O'halleran immigration records

Draft Cards

There are 90 military records available for the last name O'halleran. For the veterans among your O'halleran ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all O'halleran military records

You've only scratched the surface of O'halleran family history

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What is the average O'halleran lifespan?

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

Social Security Death Index (SSDI) for O'halleran

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