Explore the Family Name Decoursey
The meaning of Decoursey
English and Irish: of Norman origin, a variant of De Courcy, a habitational name for someone from any of various places in northern France called Courcy, especially the one in Calvados. Courcy is from the Gallo-Roman personal name Curtius (a derivative of Latin curtus ‘short’; compare Court 3) + the locative suffix -acum. History: Patrick de Courcy was appointed justiciar of Ireland in 1221.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Decoursey in the United States?
Based on the Decennial U.S. Census data, the surname Decoursey has seen a slight decrease in popularity between 2000 and 2010. In 2000, Decoursey ranked as the 26,191st most popular surname, but by 2010, it had dropped to the 27,260th spot, indicating a 4.08% decrease. However, the total count of people with this surname increased marginally from 878 in 2000 to 887 in 2010, reflecting a 1.03% increase. The proportion per 100k people also saw a small decline from 0.33 in 2000 to 0.3 in 2010, a 9.09% change.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #26,191 | #27,260 | -4.08% |
| Count | 878 | 887 | 1.03% |
| Proportion per 100k | 0.33 | 0.3 | -9.09% |
Race and Ethnicity of people with the last name Decoursey
In terms of ethnic identity associated with the surname Decoursey, the Decennial U.S. Census data shows some significant shifts between 2000 and 2010. While the majority of people with this surname identify as White (91.34% in 2000 and 89.63% in 2010), there were noteworthy increases in those identifying as Hispanic and those claiming two or more races. The percentage of people with the surname Decoursey who identified as Hispanic nearly doubled from 0.80% in 2000 to 1.58% in 2010. Similarly, those identifying with two or more races rose from 0.57% to 1.01%, a 77.19% increase. Meanwhile, the percentage of Black individuals saw a minor increase from 6.61% to 6.88%. The proportions of Asian/Pacific Islander and American Indian and Alaskan Native remained at zero in both census years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 91.34% | 89.63% | -1.87% |
| Black | 6.61% | 6.88% | 4.08% |
| Hispanic | 0.8% | 1.58% | 97.5% |
| Two or More Races | 0.57% | 1.01% | 77.19% |
| Asian/Pacific Islander | 0.68% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |