How Common Is the Surname Oreilley?
The surname Oreilley is the #143,149 most common last name in the United States, with an estimated 134 bearers. That's about 1 in 2,506,666 Americans. This data comes from the 2010 U.S. Census Bureau surname frequency tables.
This page covers the Oreilley 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 Oreilley.
Estimated Americans with this Surname
134
About 1 in 2,506,666 people in the U.S.
Census Rank
#143,149
Frequency Rate
0.04
per 100,000 people
Census Count
116
2010 Census
Data Source
2010
U.S. Census Bureau
Ancestry and Ethnicity for Oreilley
The Oreilley surname is most commonly associated with people who identify as White (85.34%). The next largest groups are Hispanic (5.17%) and American Indian/Alaska Native (5.17%).
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 ... Oreilley?
Pair the Oreilley surname with a first name to estimate how many people share that full name in the United States.
Oreilley Surname: Questions and Answers
How common is the last name Oreilley?
Oreilley is the #143,149 most common surname in the United States, with an estimated 134 people sharing this last name. It appears at a rate of 0.04 per 100,000 Americans.
What ethnicity is the surname Oreilley?
The Oreilley surname is most commonly associated with people who identify as White (85.34%). The next largest groups are Hispanic (5.17%) and American Indian/Alaska Native (5.17%). 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] Oreilley are there?
We can estimate any first + last name combination. Popular examples: Michael Oreilley, James Oreilley, John Oreilley. 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.
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