How Common Is the Last Name Once?
An estimated 171 people in the United States share the surname Once. That's about 1 in 2,004,411 Americans. This data comes from the 2010 U.S. Census Bureau surname frequency tables.
This page covers the Once 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 Once.
Estimated Americans with this Surname
171
About 1 in 2,004,411 people in the U.S.
Census Rank
#114,424
Frequency Rate
0.05
per 100,000 people
Census Count
153
2010 Census
Data Source
2010
U.S. Census Bureau
Ancestry and Ethnicity for Once
The Once surname is most commonly associated with people who identify as Hispanic (95.42%). The next largest groups are White (4.58%).
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.
First Name + Once Combinations
How many people share a full name with Once as the last name? Click a combination below to see the estimate, or search any pairing.
Once Surname: Questions and Answers
How common is the last name Once?
Once is the #114,424 most common surname in the United States, with an estimated 171 people sharing this last name. It appears at a rate of 0.05 per 100,000 Americans.
What ethnicity is the surname Once?
The Once surname is most commonly associated with people who identify as Hispanic (95.42%). The next largest groups are White (4.58%). 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] Once are there?
We can estimate any first + last name combination. Popular examples: Michael Once, James Once, John Once. 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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