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O'brian Family History

O'brian Surname Meaning

Irish: variant spelling of O’Brien.

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


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Where is the O'brian family from?

You can see how O'brian families moved over time by selecting different census years. The O'brian family name was found in the USA, the UK, Canada, and Scotland between 1841 and 1920. The most O'brian families were found in USA in 1880. In 1891 there was 1 O'brian family living in Devon. This was about 50% of all the recorded O'brian's in United Kingdom. Devon and 1 other county had the highest population of O'brian families in 1891.
Use census records and voter lists to see where families with the O'brian 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'brian family records will you find?

Census Records

There are 62,000 census records available for the last name O'brian. Like a window into their day-to-day life, O'brian census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

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Passenger Lists

There are 6,000 immigration records available for the last name O'brian. 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.

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Draft Cards

There are 6,000 military records available for the last name O'brian. For the veterans among your O'brian ancestors, military collections provide insights into where and when they served, and even physical descriptions.

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What is the average O'brian lifespan?

Between 1998 and 2004, in the United States, O'brian life expectancy was at its lowest point in 1998, and highest in 2000. The average life expectancy for O'brian in 1998 was 53, and 82 in 2004.

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

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

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