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Ocallghan Family History

Ocallghan 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: Callahan, Callaghan, Callihan, Callan, O'callaghan, Hallahan, Scallan

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

Hint: Try searching for a relative alive in 1940.

Where is the Ocallghan family from?

You can see how Ocallghan families moved over time by selecting different census years. The Ocallghan family name was found in the USA, and Canada between 1911 and 1920. The most Ocallghan families were found in USA in 1920, and Canada in 1911. In 1920 there was 1 Ocallghan family living in Illinois. This was about 50% of all the recorded Ocallghan's in USA. Illinois and 1 other state had the highest population of Ocallghan families in 1920.
Use census records and voter lists to see where families with the Ocallghan 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 Ocallghan family records will you find?

Census Records

There are 91 census records available for the last name Ocallghan. Like a window into their day-to-day life, Ocallghan census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for Ocallghan

Passenger Lists

There are 31 immigration records available for the last name Ocallghan. 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 Ocallghan immigration records

Draft Cards

There are 3 military records available for the last name Ocallghan. For the veterans among your Ocallghan ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Ocallghan military records

You've only scratched the surface of Ocallghan family history

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What is the average Ocallghan lifespan?

An unusually short lifespan might indicate that your Ocallghan 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 Ocallghan

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