US Population With Last Name Reilly By Race and Ethnicity in the 2010 Census

Updated on December 11, 2025.

Data Source: US Census Bureau.

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In the 2010 Census, there were 40,884 people in the US whose last name was Reilly, and the rate of occurence of the Reilly last name was 13.86 per 100K.

The race of 95.27% of the people with the last name of Reilly was Non Hispanic White Alone (i.e. 38,950 people); 2.31% was Hispanic or Latino (i.e. 944 people); and 1.16% was Non Hispanic Two or More Races (i.e. 474 people).

US Percentage of Pop. With Last Name Reilly By Race And Ethniciity in the 2010 Census

Non-Hisp White
Hispanic or Latino
Non-Hisp Two or More Races
Non-Hisp ANHPI
Non-Hisp Black
Non-Hisp AIAN

The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Reilly last name.

US Population With Last Name Reilly By Race And Ethniciity in the 2010 Census

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Last Name Number of People Percent of Total (%)
Non Hispanic White Alone 38950 95.27
Hispanic or Latino 944 2.31
Non Hispanic Two or More Races 474 1.16
Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone 286 0.7
Non Hispanic Black or African American Alone 176 0.43
Non Hispanic American Indian and Alaska Native Alone 53 0.13