Explore the Family Name Thornbrough

The meaning of Thornbrough

English: variant of Thornberry.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Thornbrough in the United States?

Based on the Decennial U.S. Census data, there were some changes in the popularity of the surname Thornbrough between 2000 and 2010. In 2000, Thornbrough was ranked 78,838th but by 2010, it had slipped to 84,748th, representing a 7.5% decrease in popularity. The number of people carrying this surname also saw a marginal dip from 225 to 221 during the same period, indicating a drop of roughly 1.78%. As for its proportion per 100,000 people, it decreased from 0.08 to 0.07, marking a 12.5% change.

20002010Change
Rank#78,838#84,748-7.5%
Count225221-1.78%
Proportion per 100k0.080.07-12.5%

Race and Ethnicity of people with the last name Thornbrough

In terms of ethnicity as per the Decennial U.S. Census data, most individuals with the Thornbrough surname identified as White in both 2000 and 2010. However, there was a slight shift from 93.33% to 90.95% over these years. There were no recorded individuals identifying as Asian/Pacific Islander, Hispanic, or Black within this surname group. Interestingly, while there was a small percentage (2.22%) who identified as American Indian and Alaskan Native in 2000, no such identification was reported in 2010. Notably, some individuals began identifying as belonging to two or more races in 2010, which was not observed in the 2000 data.

20002010Change
White93.33%90.95%-2.55%
Two or More Races0%4.07%0%
Asian/Pacific Islander0%0%0%
Hispanic0%0%0%
Black0%0%0%
American Indian and Alaskan Native2.22%0%0%