This page needs Javascript enabled in order to work properly. Click here for instructions on how to enable it in your browser.
Surname Header Image
Get access to O'mahaney family records.Start a 14-Day Free Trial

O'mahaney Family History

O'mahaney 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'mahoney, Mahaney, Mchaney, Mahoney, Mahaley, O'mahony, Mahany

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

Hint: Try searching for a relative alive in 1940.

Where is the O'mahaney family from?

You can see how O'mahaney families moved over time by selecting different census years. The O'mahaney family name was found in the USA between 1880 and 1920. The most O'mahaney families were found in USA in 1880. In 1880 there were 5 O'mahaney families living in Illinois. This was about 71% of all the recorded O'mahaney's in USA. Illinois had the highest population of O'mahaney families in 1880.
Use census records and voter lists to see where families with the O'mahaney surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
Mapbox
© Mapbox © OpenStreetMap Improve this map

What O'mahaney family records will you find?

Census Records

There are 36 census records available for the last name O'mahaney. Like a window into their day-to-day life, O'mahaney 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'mahaney

Passenger Lists

There are 15 immigration records available for the last name O'mahaney. 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'mahaney immigration records

Draft Cards

There are 1,000 military records available for the last name O'mahaney. For the veterans among your O'mahaney ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all O'mahaney military records

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

Discover More

What is the average O'mahaney lifespan?

An unusually short lifespan might indicate that your O'mahaney 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 O'mahaney

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

Explore Your Tree
Search for another surname
Enter last name/surname
Start a 14-Day Free Trial