Explore the Family Name Cahalan

The meaning of Cahalan

Irish (Galway and Tipperary): Anglicized form of Gaelic Ó Cathaláin (see Callan). Some characteristic forenames: Irish Brendan, Kieran.

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

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

Based on the data from the Decennial U.S. Census, the popularity of the surname Cahalan has seen a noticeable decrease in the United States between 2000 and 2010. In 2000, Cahalan was ranked as the 25,945th most popular surname, but by 2010 it had dropped to the 31,994th position, a change of -23.31%. Similarly, the count of people with this surname fell from 889 in 2000 to 721 in 2010, a decline of almost 19%. The proportion of individuals with the Cahalan surname per 100,000 also decreased by approximately 27%.

	2000	2010	Change
Rank	#25,945	#31,994	-23.31%
Count	889	721	-18.9%
Proportion per 100k	0.33	0.24	-27.27%

Race and Ethnicity of people with the last name Cahalan

When it comes to the ethnicity of individuals bearing the surname Cahalan, as per the Decennial U.S. Census data, there have been some shifts between 2000 and 2010. The largest ethnic identity associated with the surname remains White, although it slightly decreased from 98.2% in 2000 to 96.81% in 2010. Interestingly, there were no recorded Asians/Pacific Islanders or Hispanics with this surname in 2000; however, by 2010, these groups represented 0.83% and 1.25% respectively. Additionally, those identifying with two or more races increased from 0.67% to 0.83% during this period. There were no recorded Black or American Indian and Alaskan Native individuals with this surname in either census year.

	2000	2010	Change
White	98.2%	96.81%	-1.42%
Hispanic	0%	1.25%	0%
Asian/Pacific Islander	0%	0.83%	0%
Two or More Races	0.67%	0.83%	23.88%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%