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O'brain Family History

O'brain 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: Brain, Bain, Drain, Dobrin, Braun, Blain, Brin, Train, Bruin, O'brien

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

Hint: Try searching for a relative alive in 1940.

Where is the O'brain family from?

You can see how O'brain families moved over time by selecting different census years. The O'brain family name was found in the USA between 1880 and 1920. The most O'brain families were found in USA in 1880. In 1880 there were 8 O'brain families living in Missouri. This was about 62% of all the recorded O'brain's in USA. Missouri had the highest population of O'brain families in 1880.
Use census records and voter lists to see where families with the O'brain 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'brain family records will you find?

Census Records

There are 416 census records available for the last name O'brain. Like a window into their day-to-day life, O'brain census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for O'brain

Passenger Lists

There are 60 immigration records available for the last name O'brain. 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'brain immigration records

Draft Cards

There are 145 military records available for the last name O'brain. For the veterans among your O'brain ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all O'brain military records

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

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What is the average O'brain lifespan?

An unusually short lifespan might indicate that your O'brain 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'brain

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