Explore the Family Name Cossairt

The meaning of Cossairt

Altered form of French Cossart.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Cossairt in the United States?

According to the Popularity data from the Decennial U.S. Census, the surname Cossairt has seen a decline in popularity between 2000 and 2010. In 2000, the name ranked 48,776 and fell to 55,841 in 2010, indicating a decrease of 14.48%. The count of people with the Cossairt surname also dropped from 406 in 2000 to 367 in 2010, a decrease of 9.61%. Consequently, the proportion of individuals with the Cossairt surname per 100,000 people declined by 20% over the same period.

20002010Change
Rank#48,776#55,841-14.48%
Count406367-9.61%
Proportion per 100k0.150.12-20%

Race and Ethnicity of people with the last name Cossairt

The Ethnicity data from the Decennial U.S. Census shows that the Cossairt surname is most commonly associated with people of White ethnic identity. In 2000, 98.03% of individuals with this surname identified as White, slightly decreasing to 97.55% in 2010. A small increase was observed in those identifying with two or more races, from 1.23% in 2000 to 1.36% in 2010. There were no recorded instances of the Cossairt surname among individuals identifying as Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native in either year.

20002010Change
White98.03%97.55%-0.49%
Two or More Races1.23%1.36%10.57%
Asian/Pacific Islander0%0%0%
Hispanic0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%