Explore the Family Name Kosior
The meaning of Kosior
Polish: nickname from dialect kosior ‘fire rake’, ‘broom’. Some characteristic forenames: Polish Zbigniew, Ignatius, Jozef, Mariusz, Urszula.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kosior in the United States?
Based on the Decennial U.S. Census data, the surname Kosior experienced a slight decrease in popularity from 2000 to 2010. The Kosior surname ranked 57,849th in 2000 and fell to 58,337th by 2010, a decline of 0.84%. Despite this fall in ranking, the count of individuals with the Kosior surname actually grew from 329 in 2000 to 348 in 2010, reflecting an increase of 5.78%. However, the proportion of the surname per 100k remained consistent at 0.12.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #57,849 | #58,337 | -0.84% |
| Count | 329 | 348 | 5.78% |
| Proportion per 100k | 0.12 | 0.12 | 0% |
Race and Ethnicity of people with the last name Kosior
Regarding ethnicity, the Decennial U.S. Census data indicates that the vast majority of people with the Kosior surname identify as White, with 99.39% claiming this ethnic identity in 2000 and 98.28% in 2010, marking a slight decrease of 1.12%. Notably, there were no recorded instances of individuals with the Kosior surname identifying as Asian/Pacific Islander, Two or more races, Hispanic, Black, or American Indian and Alaskan Native in either 2000 or 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 99.39% | 98.28% | -1.12% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |