Explore the Family Name Hanahan

The meaning of Hanahan

Irish (Limerick): variant of Hannigan (from Ó hAnnagáin). This form of the surname is rare in Britain and Ireland.

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

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

The surname Hanahan, according to data from the Decennial U.S. Census, has seen a decrease in popularity over a decade. In 2000, it was ranked as the 46,678th most common surname in the United States, but dropped to 56,710 by 2010, showing a decline of 21.49%. The count of individuals carrying this last name also decreased from 429 to 360, marking a reduction of 16.08%. Consequently, the proportion per 100,000 people fell by 25%, from 0.16 in 2000 to 0.12 in 2010.

20002010Change
Rank#46,678#56,710-21.49%
Count429360-16.08%
Proportion per 100k0.160.12-25%

Race and Ethnicity of people with the last name Hanahan

Turning to ethnic identity, the same Decennial U.S. Census data reveals that the majority of people with the Hanahan surname identify as White, making up 96.97% of the Hanahans in 2000, and increasing slightly to 97.78% by 2010. There was a small percentage (1.17%) who identified as Hispanic in 2000, however, this figure dropped to zero by 2010. The categories of Asian/Pacific Islander, Two or more races, Black, and American Indian and Alaskan Native either had no representation or the data was suppressed for privacy in both census years.

20002010Change
White96.97%97.78%0.84%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Hispanic1.17%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%