Explore the Family Name Decoux
The meaning of Decoux
Walloon and French: habitational name, with the preposition de ‘from’, for someone from any of various places in Belgium (Wallonia) and France called Coux. Compare Decou. History: Jacques Decoux from Namur in Belgium married Anne-Catherine Decuir in Pointe Coupee Parish, LA, in 1727. His descendants also bear an altered form of the surname, Decou (or DeCou).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Decoux in the United States?
Popularity: According to the Decennial U.S. Census data, the surname Decoux was ranked 50,686 in popularity in the year 2000 and dropped to a rank of 54,055 by 2010, showing a decrease of 6.65%. The count of individuals with this surname also slightly decreased from 387 in 2000 to 382 in 2010, marking a decline of 1.29%. Similarly, the proportion of individuals per 100,000 with the surname Decoux diminished from 0.14 in 2000 to 0.13 in 2010, registering a drop of 7.14%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #50,686 | #54,055 | -6.65% |
| Count | 387 | 382 | -1.29% |
| Proportion per 100k | 0.14 | 0.13 | -7.14% |
Race and Ethnicity of people with the last name Decoux
Ethnicity: Based on the Decennial U.S. Census data, the dominant ethnic identity associated with the surname Decoux is White, constituting 88.63% in 2000 and 88.48% in 2010, experiencing a slight change of -0.17%. The second most common ethnicity is Black, making up 8.27% in 2000 and increasing to 8.64% in 2010, reflecting a growth of 4.47%. The Hispanic ethnicity representation saw an increase from 1.29% in 2000 to 1.57% in 2010, indicating a positive change of 21.71%. In 2000, 1.81% identified as belonging to two or more races, however, this figure was suppressed in 2010 for privacy reasons. There were no recorded instances of Asian/Pacific Islander or American Indian and Alaskan Native ethnicities for either year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 88.63% | 88.48% | -0.17% |
| Black | 8.27% | 8.64% | 4.47% |
| Hispanic | 1.29% | 1.57% | 21.71% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 1.81% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |