Explore the Family Name Cosgrave
The meaning of Cosgrave
Irish: variant of Cosgrove.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Cosgrave in the United States?
Based on data from the Decennial U.S. Census, the surname Cosgrave has seen a rise in popularity in the United States from 2000 to 2010. In 2000, it was ranked 51,458 in terms of popularity, but by 2010, it had climbed to 47,966—a 6.79% increase. The count of individuals bearing this surname also grew from 380 in 2000 to 441 in 2010, marking a 16.05% increase. Consequently, the proportion of people with the Cosgrave surname per 100,000 people slightly increased from 0.14 to 0.15.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #51,458 | #47,966 | 6.79% |
| Count | 380 | 441 | 16.05% |
| Proportion per 100k | 0.14 | 0.15 | 7.14% |
Race and Ethnicity of people with the last name Cosgrave
In terms of ethnic identity, the data from the Decennial U.S. Census shows that the majority of individuals with the Cosgrave surname identified as White in both 2000 and 2010. The percentage decreased slightly from 98.16% in 2000 to 96.83% in 2010. The surname did not appear among individuals who identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native during both years. However, there was a new appearance of the surname within the Hispanic community in 2010, accounting for 2.04%. Additionally, there was a decrease in those identifying with two or more races, from 1.32% in 2000 to zero in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 98.16% | 96.83% | -1.35% |
| Hispanic | 0% | 2.04% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 1.32% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |