Explore the Family Name Casement

The meaning of Casement

Manx: Anglicized form of Gaelic Mac Asmuint ‘son of Asmundr’, an Old Norse personal name meaning ‘god protector’. A branch of the family moved to Ireland (Ballymena, Antrim) in the late 17th or early 18th century.

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

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

Based on the Decennial U.S. Census, the popularity of the surname Casement has seen a slight decrease between 2000 and 2010. Ranked at 74,957 in 2000, it dropped to 80,419 by the end of the decade, resulting in a change of -7.29. The count of individuals carrying this surname also declined from 240 in 2000 to 236 in 2010, representing a decrease of 1.67. Furthermore, the proportion of people with this last name per 100,000 population fell by 11.11 percent over the same period.

20002010Change
Rank#74,957#80,419-7.29%
Count240236-1.67%
Proportion per 100k0.090.08-11.11%

Race and Ethnicity of people with the last name Casement

The ethnic identity distribution for the surname Casement, based on the Decennial U.S. Census, shows that it is predominantly associated with white ethnicity. In 2000, 96.25 percent of those with the Casement surname identified as white, which slightly decreased to 95.76 percent in 2010. There were no individuals associating themselves with Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native ethnicities in both years. However, a small percentage (2.12%) of people with this surname reported having two or more races in 2010, a category that was not represented in 2000.

20002010Change
White96.25%95.76%-0.51%
Two or More Races0%2.12%0%
Asian/Pacific Islander0%0%0%
Hispanic0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%