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'conor family records.Start a 14-Day Free Trial

O'conor Family History

O'conor Surname Meaning

Irish: variant spelling of O’Connor.

Source: Dictionary of American Family Names ©2013, Oxford University Press


Similar surnames

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

Hint: Try searching for a relative alive in 1940.

Where is the O'conor family from?

You can see how O'conor families moved over time by selecting different census years. The O'conor family name was found in the USA, and Scotland between 1880 and 1920. The most O'conor families were found in USA in 1880. In 1880 there were 100 O'conor families living in New York. This was about 27% of all the recorded O'conor's in USA. New York had the highest population of O'conor families in 1880.
Use census records and voter lists to see where families with the O'conor surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.

What O'conor family records will you find?

Census Records

There are 11,000 census records available for the last name O'conor. Like a window into their day-to-day life, O'conor 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'conor

Passenger Lists

There are 1,000 immigration records available for the last name O'conor. 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'conor immigration records

Draft Cards

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

View all O'conor military records

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

Discover More

What is the average O'conor lifespan?

An unusually short lifespan might indicate that your O'conor 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.

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

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