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Ocallaghan Family History

Ocallaghan Surname Meaning

Irish (Cork): from Gaelic Ó Ceallacháin see Callahan.

Source: Dictionary of American Family Names 2nd edition, 2022


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Where is the Ocallaghan family from?

You can see how Ocallaghan families moved over time by selecting different census years. The Ocallaghan family name was found in the USA, the UK, Canada, and Scotland between 1841 and 1920. The most Ocallaghan families were found in United Kingdom in 1891. In 1891 there were 54 Ocallaghan families living in Lancashire. This was about 23% of all the recorded Ocallaghan's in United Kingdom. Lancashire had the highest population of Ocallaghan families in 1891.
Use census records and voter lists to see where families with the Ocallaghan 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 did your Ocallaghan ancestors do for a living?

In 1939, General Labourer and Unpaid Domestic Duties were the top reported jobs for men and women in the United Kingdom named Ocallaghan. 100% of Ocallaghan men worked as a General Labourer and 100% of Ocallaghan women worked as an Unpaid Domestic Duties.

View Census Data for Ocallaghan | Data not to scale

*We display top occupations by gender to maintain their historical accuracy during times when men and women often performed different jobs.

Top Male Occupations In 1939

  • General Labourer
    100%

Top Female Occupations In 1939

  • Unpaid Domestic Duties
    100%

What Ocallaghan family records will you find?

Census Records

There are 46,000 census records available for the last name Ocallaghan. Like a window into their day-to-day life, Ocallaghan census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for Ocallaghan

Passenger Lists

There are 10,000 immigration records available for the last name Ocallaghan. 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 Ocallaghan immigration records

Draft Cards

There are 5,000 military records available for the last name Ocallaghan. For the veterans among your Ocallaghan ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Ocallaghan military records

You've only scratched the surface of Ocallaghan family history

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What is the average Ocallaghan lifespan?

Between 1951 and 2004, in the United States, Ocallaghan life expectancy was at its lowest point in 1951, and highest in 1998. The average life expectancy for Ocallaghan in 1951 was 35, and 73 in 2004.

View Social Security Death Index (SSDI) for Ocallaghan

An unusually short lifespan might indicate that your Ocallaghan 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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