Explore the Family Name Casterline

The meaning of Casterline

Americanized form of French Cattelin or Castelin (or of some other similar French surname): variant of Castelain, itself a variant of Châtelain ‘lord (of the manor)’; see Chatelain. History: The progenitor of the Casterlines was François Casterline (or Castelline), a Frenchman from Normandy who arrived in NJ around 1690.

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

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

According to the data from the Decennial U.S. Census, the popularity of the surname "Casterline" has seen a minor decline in rank between 2000 and 2010, moving from 19,398 to 20,348, representing a decrease of 4.9%. However, the actual count of individuals with this surname increased slightly by 1.16%, from 1,291 in 2000 to 1,306 in 2010. The proportion per 100k also decreased by 8.33%, from 0.48 to 0.44.

	2000	2010	Change
Rank	#19,398	#20,348	-4.9%
Count	1,291	1,306	1.16%
Proportion per 100k	0.48	0.44	-8.33%

Race and Ethnicity of people with the last name Casterline

The Decennial U.S. Census data also provides insight into the ethnic identity associated with the "Casterline" surname. In 2010, a majority identified as White, at 97.01%, marking an increase of 1.24% from 2000. This was followed by Hispanic ethnicity, which however saw a notable decrease of 40.23% over the same period. Individuals identifying as Two or more races and Black represented lesser proportions, with the former seeing a decline of 25.81%. Interestingly, there was a new emergence of Asian/Pacific Islander ethnicity in 2010, while no changes were recorded for American Indian and Alaskan Native ethnicity.

	2000	2010	Change
White	95.82%	97.01%	1.24%
Hispanic	2.56%	1.53%	-40.23%
Two or More Races	0.93%	0.69%	-25.81%
Asian/Pacific Islander	0%	0.38%	0%
Black	0.39%	0.38%	-2.56%
American Indian and Alaskan Native	0%	0%	0%