Explore the Family Name Decourcey

The meaning of Decourcey

English (Middlesex) and Irish: of Norman origin, a variant of Decoursey.

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

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

Based on the Decennial U.S. Census data, the surname Decourcey has seen an increase in popularity from 2000 to 2010. In 2000, it ranked 62,396 in terms of frequency but jumped to 57,101 in 2010, reflecting an 8.49% rise in rank. The count of people with this surname also grew from 300 in 2000 to 357 in 2010, marking a 19.0% increase. Accordingly, the proportion per 100,000 people also experienced growth, from 0.11 to 0.12, indicating an uptick of 9.09%.

20002010Change
Rank#62,396#57,1018.49%
Count30035719%
Proportion per 100k0.110.129.09%

Race and Ethnicity of people with the last name Decourcey

The ethnicity breakdown of individuals with the surname Decourcey, according to the Decennial U.S. Census data, shows a significant white majority. In 2000, 89.67% identified as white, and this figure increased to 92.16% by 2010, showing a change of 2.78%. Meanwhile, representation within the black community slightly decreased over this period, going from 6.00% to 5.04%, a decline of 16.00%. There was a small Hispanic presence of 2.00% in 2000, but this was no longer evident by 2010. No individuals with this surname identified as Asian/Pacific Islander or American Indian and Alaskan Native during either census year.

20002010Change
White89.67%92.16%2.78%
Black6%5.04%-16%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Hispanic2%0%0%
American Indian and Alaskan Native0%0%0%