O'callaghn Family History

O'callaghn 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'callaghan, O'callahan, Callaghan, Callahan, Callan, Scallan, Callanan, Ballagh, Mccullagh, Calligan

23	Birth, Marriage, and Deaths
6	Military Records
4	Immigration Records
45	Census and Voter Lists
10	Member Trees

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Where is the O'callaghn family from?

You can see how O'callaghn families moved over time by selecting different census years. The O'callaghn family name was found in the USA in 1880. In 1880 there was 1 O'callaghn family living in Missouri. This was 100% of all the recorded O'callaghn's in USA. Missouri had the highest population of O'callaghn families in 1880.

Use census records and voter lists to see where families with the O'callaghn surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

View Census Data for O'callaghn

What O'callaghn family records will you find?

Census Record

There are 45 census records available for the last name O'callaghn. Like a window into their day-to-day life, O'callaghn 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'callaghn

Passenger List

There are 4 immigration records available for the last name O'callaghn. 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'callaghn immigration records

Military Records

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

View all O'callaghn military records

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What is the average O'callaghn lifespan?

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O'callaghn Surname Meaning

Where is the O'callaghn family from?

What O'callaghn family records will you find?

What is the average O'callaghn lifespan?

O'callaghn Family History

O'callaghn Surname Meaning

88 record(s) for O'callaghn

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

Where is the O'callaghn family from?

What O'callaghn family records will you find?

Census Record

Passenger List

Military Records

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

What is the average O'callaghn lifespan?

Discover the unique achievements of ancestors in the O'callaghn family tree

Search for another surname

O'callaghn Surname Meaning

88 record(s) for O'callaghn

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

Where is the O'callaghn family from?

What O'callaghn family records will you find?

Census Record

Passenger List

Military Records

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

What is the average O'callaghn lifespan?

Discover the unique achievements of ancestors in the O'callaghn family tree

Search for another surname