How Common Is the Surname Oo?
The surname Oo is the #17,565 most common last name in the United States, with an estimated 1,814 bearers. That's about 1 in 185,167 Americans. This data comes from the 2010 U.S. Census Bureau surname frequency tables.
This page covers the Oo surname's frequency in the U.S. population, its rank among all American surnames, and a breakdown of ancestry and ethnicity data from the Census. You can also check how many people share any first + last name combination involving Oo.
Estimated Americans with this Surname
1,814
About 1 in 185,167 people in the U.S.
Census Rank
#17,565
Frequency Rate
0.54
per 100,000 people
Census Count
1,601
2010 Census
Data Source
2010
U.S. Census Bureau
Ancestry and Ethnicity for Oo
The Oo surname is most commonly associated with people who identify as Asian/Pacific Islander (92.88%). The next largest groups are White (3.00%) and Two or More Races (2.56%).
Self-reported race and ethnicity from the 2010 U.S. Census Bureau surname tables. Some categories may be suppressed for privacy when sample sizes are small.
How Many People Are Named ... Oo?
Pair the Oo surname with a first name to estimate how many people share that full name in the United States.
Oo Surname: Questions and Answers
How common is the last name Oo?
Oo is the #17,565 most common surname in the United States, with an estimated 1,814 people sharing this last name. It appears at a rate of 0.54 per 100,000 Americans.
What ethnicity is the surname Oo?
The Oo surname is most commonly associated with people who identify as Asian/Pacific Islander (92.88%). The next largest groups are White (3.00%) and Two or More Races (2.56%). This data comes from the 2010 U.S. Census Bureau surname tables, which include self-reported race and ethnicity breakdowns.
How many people named [First Name] Oo are there?
We can estimate any first + last name combination. Popular examples: Michael Oo, James Oo, John Oo. Search any combination on our homepage.
Where does this surname data come from?
Surname frequency data comes from the 2010 U.S. Census Bureau decennial surname tables. These list every surname appearing in the Census along with frequency rates and demographic breakdowns. Full methodology.
Search for a full name combination
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