Explore the Family Name Cassin

The meaning of Cassin

1. French: from the Latin personal name Cassianus (see Cassano). 2. French: diminutive of Casse. 3. Irish (Kilkenny and Laois): from Ó Caisín, see Cashin.

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

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

Based on data from the Decennial U.S. Census, the surname Cassin has seen a slight drop in popularity between 2000 to 2010. Ranked 25,969th in 2000, it fell to 28,729th in 2010, representing a decrease of 10.63%. The actual count of people bearing this surname also decreased from 888 to 829, a decline of 6.64%. Proportionally, for every 100,000 people, the number of individuals named Cassin dropped from 0.33 to 0.28, marking a 15.15% reduction.

20002010Change
Rank#25,969#28,729-10.63%
Count888829-6.64%
Proportion per 100k0.330.28-15.15%

Race and Ethnicity of people with the last name Cassin

Regarding ethnicity, the census data demonstrates shifts within the Cassin surname bearers' ethnic identities. In 2000, 97.07% identified as White, but this figure slightly decreased to 95.05% by 2010. There were no recorded individuals identifying as Asian/Pacific Islander or American Indian and Alaskan Native in either year. The percentage of those identifying as Hispanic increased from 1.58% to 2.29%, showing a significant growth of 44.94%. Additionally, the proportion identifying as Black saw a minor increase from 0.68% to 0.72%. Interestingly, in 2010, 0.84% reported having two or more races, a category not present in the 2000 data. This information is based on the Decennial U.S. Census.

20002010Change
White97.07%95.05%-2.08%
Hispanic1.58%2.29%44.94%
Two or More Races0%0.84%0%
Black0.68%0.72%5.88%
Asian/Pacific Islander0%0%0%
American Indian and Alaskan Native0%0%0%