Explore the Family Name Kosak
The meaning of Kosak
1. Polish; Sorbian (also Kósak); Czech and Slovak (Kosák): variant or derivative of Kos or Kós ‘blackbird’ (Lower Sorbian kósak, Upper Sorbian kosak) and Kosa ‘scythe’. The Sorbian surnames are found mainly in Germanized forms, especially Kossack, while the surname Kosak itself is usually a Germanized form of Kozak (see also 5 below). 2. Czech (Košák): nickname or occupational name from košák ‘beehive made of twigs’. 3. Slovenian (Košak): nickname from koščak ‘kind of nut tree with very hard nuts’, also ‘strong, vigorous, steady man’, a word ultimately derived from kost ‘bone’ and thus probably also applied to a bony man. Compare Koschak. 4. Croatian (Košak): nickname or occupational name from košak ‘basket’. 5. Germanized form of Polish, Sorbian, Jewish, and Slovenian Kozak or Kózak, Czech, Slovak, and Hungarian Kozák. Compare Kosack, see also 1 above.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kosak in the United States?
Based on the Decennial U.S. Census data, the surname Kosak saw a slight decrease in popularity between 2000 and 2010. Ranked 35,666th in 2000, it fell to 37,391st in 2010, representing a change of -4.84. However, the count of individuals with this surname remained stable at 596 in both years. The proportion per 100,000 people also decreased slightly from 0.22 in 2000 to 0.2 in 2010, marking a decline of -9.09.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #35,666 | #37,391 | -4.84% |
| Count | 596 | 596 | 0% |
| Proportion per 100k | 0.22 | 0.2 | -9.09% |
Race and Ethnicity of people with the last name Kosak
Regarding the ethnic identity associated with the surname Kosak, the Decennial U.S. Census data shows some interesting shifts between 2000 and 2010. While a majority of individuals with this surname identified as White (96.98% in 2000 and 94.13% in 2010), there were increases in other categories. The percentage of those identifying as Asian/Pacific Islander increased by 50%, from 1.34% in 2000 to 2.01% in 2010. Similarly, those identifying with two or more races increased by 20.24%, from 0.84% to 1.01%. New categories emerged in 2010, with 1.85% identifying as Hispanic and 1.01% identifying as Black. The percentage identifying as American Indian and Alaskan Native remained unchanged at 0.00%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.98% | 94.13% | -2.94% |
| Asian/Pacific Islander | 1.34% | 2.01% | 50% |
| Hispanic | 0% | 1.85% | 0% |
| Two or More Races | 0.84% | 1.01% | 20.24% |
| Black | 0% | 1.01% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |