Explore the Family Name Crass

The meaning of Crass

1. English (Durham and Northumberland): nickname from Old French, Middle English cras ‘big, fat’ (from Latin crassus, Anglo-Latin grassus). Compare Grace 1. 2. Possibly an altered form of German Krass.

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

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

The Crass surname saw a rise in its popularity in the United States, according to the Decennial U.S. Census data. In 2000, it was ranked 20,629 with 1,193 individuals having this name. By 2010, the ranking had improved to 19,372 and the count increased by 17.02% to 1,396 people. This indicates that the proportion of people bearing the Crass surname per 100k residents also grew from 0.44 to 0.47, marking a 6.82% increase over the decade.

	2000	2010	Change
Rank	#20,629	#19,372	6.09%
Count	1,193	1,396	17.02%
Proportion per 100k	0.44	0.47	6.82%

Race and Ethnicity of people with the last name Crass

In terms of ethnicity, the data from the Decennial U.S. Census reveals interesting shifts. Predominantly, people with the Crass surname identified as White, making up 95.73% of those with the surname in 2000 and 93.34% in 2010. The Hispanic population among those with the Crass surname saw significant growth, going from 0.84% in 2000 to 2.51% in 2010, a whopping increase of 198.81%. The Black population also saw a substantial rise from 1.26% to 1.93%, while those identifying as two or more races rose slightly from 1.17% to 1.22%. The Asian/Pacific Islander category and the American Indian and Alaskan Native category both remained at zero for both census years, indicating no respondents of these ethnicities carried the Crass surname.

	2000	2010	Change
White	95.73%	93.34%	-2.5%
Hispanic	0.84%	2.51%	198.81%
Black	1.26%	1.93%	53.17%
Two or More Races	1.17%	1.22%	4.27%
Asian/Pacific Islander	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%