Explore the Family Name Cosmas
The meaning of Cosmas
1. Greek: variant of Kosmas. Compare Cosma. 2. East African (Tanzania): from the personal name Cosmas, Latinized form of Kosmas.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Cosmas in the United States?
Based on the Decennial U.S. Census data, the surname Cosmas has seen a slight increase in popularity from 2000 to 2010. In the year 2000, the rank of the surname Cosmas was 84,631 and it moved up the ranks to 82,613 by 2010, showing an upward trend of 2.38%. The count of individuals with this surname also rose from 206 in 2000 to 228 in 2010, marking an increase of 10.68%. However, the proportion per 100,000 people remained static at 0.08.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #84,631 | #82,613 | 2.38% |
| Count | 206 | 228 | 10.68% |
| Proportion per 100k | 0.08 | 0.08 | 0% |
Race and Ethnicity of people with the last name Cosmas
The ethnicity distribution for the surname Cosmas based on the Decennial U.S. Census data shows a considerable change between 2000 and 2010. The percentage of those identifying as White dropped from 92.72% to 85.96%, a decrease of 7.29%. Meanwhile, the proportion of Hispanic individuals increased by 29.12% to reach 4.39% in 2010. The Black community saw a significant surge, with their representation increasing by a substantial 170.78% to 6.58% in 2010. The percentage of individuals identifying as Asian/Pacific Islander or American Indian and Alaskan Native remained unchanged in both years, while the data for those identifying as two or more races was suppressed for privacy reasons.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 92.72% | 85.96% | -7.29% |
| Black | 2.43% | 6.58% | 170.78% |
| Hispanic | 3.4% | 4.39% | 29.12% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |