Explore the Family Name Cudahy

The meaning of Cudahy

Irish: variant of Cuddy. This form is rare in Britain. Some characteristic forenames: Irish Dermot, Murphy.

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

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

According to the Decennial U.S. Census data, the popularity of the surname Cudahy has slightly decreased over a decade from 2000 to 2010. In the year 2000, Cudahy was the 55,971st most popular surname in the United States, with 342 individuals carrying this name. By 2010, its rank dropped to 60,347, and the number of individuals with this surname decreased to 334. This represents a decrease of 7.82% in rank and a 2.34% drop in count. Furthermore, the proportion of people with this surname per 100,000 residents fell by 15.38%, from 0.13 in the year 2000 to 0.11 in 2010.

	2000	2010	Change
Rank	#55,971	#60,347	-7.82%
Count	342	334	-2.34%
Proportion per 100k	0.13	0.11	-15.38%

Race and Ethnicity of people with the last name Cudahy

The Decennial U.S. Census also provides information on the ethnicity of individuals with the surname Cudahy. The majority of individuals with this surname identify as White, with percentages of 94.74 in 2000 and 94.31 in 2010, a slight decrease of 0.45%. The second largest ethnic group identified was Hispanic, increasing from 1.46% in 2000 to 1.80% in 2010, showing a growth of 23.29%. The census had shown that in 2000, 1.75% of individuals with the Cudahy surname identified as being of two or more races, but this figure dropped to zero in 2010. No individuals with this surname identified as Asian/Pacific Islander or Black in either census year. Interestingly, the 2010 census showed a new category emerging, with 1.5% identifying as American Indian and Alaskan Native.

	2000	2010	Change
White	94.74%	94.31%	-0.45%
Hispanic	1.46%	1.8%	23.29%
American Indian and Alaskan Native	0%	1.5%	0%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	1.75%	0%	0%
Black	0%	0%	0%