Explore the Family Name Kasai
The meaning of Kasai
Japanese: in the Tokyo area and the Ryūkyū Islands, the name is written 笠井 ‘bamboo hat’ and ‘well’. In western Japan, and in the name of a village east of Tokyo, it is written 河西 ‘west of the river’, and this latter is pronounced Kawanishi by some. Other variants exist as well. Some characteristic forenames: Japanese Katsumi, Kazuhiko, Minako, Ryo, Akihiro, Akio, Ayako, Ayumu, Eiji, Etsuko, Hideo, Hidetoshi.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kasai in the United States?
Based on the Decennial U.S. Census, the surname Kasai has seen a decrease in popularity from 2000 to 2010. Ranked 51,458th in the year 2000, it dropped to 58,182nd in 2010, indicating a 13.07% decrease in rank. In addition, the count of individuals with this surname also decreased from 380 to 349 during this period, corresponding to an 8.16% drop. The proportion of people named Kasai per 100,000 also fell by 14.29%, from 0.14 to 0.12.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #51,458 | #58,182 | -13.07% |
| Count | 380 | 349 | -8.16% |
| Proportion per 100k | 0.14 | 0.12 | -14.29% |
Race and Ethnicity of people with the last name Kasai
Regarding the ethnicity associated with the Kasai surname, data based on the Decennial U.S. Census shows a minor decrease in the Asian/Pacific Islander category from 72.89% in 2000 to 71.92% in 2010, suggesting that most people with the Kasai surname identify ethnically as Asian/Pacific Islander. Other ethnic identities reported include White, Two or more races, and Hispanic, which showed slight decreases in 2010 compared to 2000. Interestingly, the Black category recorded an increase from 0% in 2000 to 3.72% in 2010, whereas American Indian and Alaskan Native remained constant at 0% over the decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Asian/Pacific Islander | 72.89% | 71.92% | -1.33% |
| White | 14.21% | 13.75% | -3.24% |
| Two or More Races | 9.74% | 8.6% | -11.7% |
| Black | 0% | 3.72% | 0% |
| Hispanic | 2.37% | 2.01% | -15.19% |
| American Indian and Alaskan Native | 0% | 0% | 0% |