O'nahan Family History

O'nahan 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: Monahan, Lenahan, Banahan, Hanahan, Kinahan, Lanahan, Conahan, Manahan, Minahan, Gahan

57	Birth, Marriage, and Deaths
2	Military Records
20	Immigration Records
32	Census and Voter Lists
25	Member Trees

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Where is the O'nahan family from?

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

Use census records and voter lists to see where families with the O'nahan 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'nahan

What O'nahan family records will you find?

Census Record

There are 32 census records available for the last name O'nahan. Like a window into their day-to-day life, O'nahan census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search Canadian census records for O'nahan

Passenger List

There are 20 immigration records available for the last name O'nahan. Passenger lists are your ticket to knowing when your ancestors arrived in Canada, and how they made the journey - from the ship name to ports of arrival and departure.

View all O'nahan immigration records

Military Records

There are 2 military records available for the last name O'nahan. For the veterans among your O'nahan ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all O'nahan military records

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What is the average O'nahan lifespan?

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Search for another surname

O'nahan Surname Meaning

Where is the O'nahan family from?

What O'nahan family records will you find?

What is the average O'nahan lifespan?

O'nahan Family History

O'nahan Surname Meaning

136 record(s) for O'nahan

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

Where is the O'nahan family from?

What O'nahan family records will you find?

Census Record

Passenger List

Military Records

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

What is the average O'nahan lifespan?

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

Search for another surname

O'nahan Surname Meaning

136 record(s) for O'nahan

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

Where is the O'nahan family from?

What O'nahan family records will you find?

Census Record

Passenger List

Military Records

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

What is the average O'nahan lifespan?

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

Search for another surname