O Name Meaning

Variant of Korean and Chinese Oh.

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

Similar surnames: U, Ho, Jo, To, Ko, Do, Oh, Lo, Po, Ow

Ready to discover your family story?

Simply start with a family member and we'll do the searching for you.

O Family Origin

Where is the O family from?

O Family Occupations

What did your O ancestors do for a living?

In 1940, Laborer and Maid were the top reported jobs for men and women in the US named O. 44% of O men worked as a Laborer and 34% of O women worked as a Maid. Some less common occupations for Americans named O were New Worker and Housework

View Census data for O | Data not to scale

United States shown, Canada data unavailable

Top Male Occupations in 1940

  • Laborer
  • Farmer
  • Farming
  • New Worker

Top Female Occupations in 1940

  • Maid
  • Housekeeper
  • Housewife
  • Housework

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

O Historical Records

What O family records will you find?

Census Record

There are 934,000 census records available for the last name O. Like a window into their day-to-day life, O 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

Passenger List

There are 103,000 immigration records available for the last name O. 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 immigration records

Draft Card

There are 61,000 military records available for the last name O. For the veterans among your O ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all O military records

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

O Life Expectancy

What is the average O lifespan?

Between 1977 and 2004, in the United States, O life expectancy was at its lowest point in 1985, and highest in 2004. The average life expectancy for O in 1977 was 38, and 88 in 2004.

View Social Security Death Index (SSDI) for O

Famous O Family Ancestors

Discover the unique achievements of ancestors in your family tree

Famous ancestors img
Look up another name