Explore the Family Name Doohan

The meaning of Doohan

Irish (Donegal): shortened Anglicized form of Gaelic Ó Duacháin, ‘descendant of Duachán’, a diminutive of the early personal name Duí or Duach. This is a Donegal surname. Alternatively, the name may also be a shortened Anglicized form of Gaelic Ó Dubhchon, ‘descendant of Dubhchú’, a personal name meaning ‘black hound’. Forms of the two names are not now distinguisahble.

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

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

Based on the Decennial U.S. Census, the surname Doohan saw a small rise in popularity between 2000 and 2010. In 2000, it was ranked as the 84,310th most popular surname, but by 2010, it had climbed up the ranks to become the 82,044th, marking a 2.69% increase. The total count of individuals bearing this surname also rose from 207 in 2000 to 230 in 2010, a growth rate of 11.11%. Despite these changes, the proportion of people with the Doohan surname per 100k population remained stable at 0.08.

	2000	2010	Change
Rank	#84,310	#82,044	2.69%
Count	207	230	11.11%
Proportion per 100k	0.08	0.08	0%

Race and Ethnicity of people with the last name Doohan

When considering the ethnic background associated with the surname Doohan, data from the Decennial U.S. Census reveals that it is predominantly linked to White ethnicity. In 2000, 98.55% of individuals with this surname identified as White, decreasing slightly to 96.96% in 2010. No significant representation from Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native ethnicities was recorded for either year. Furthermore, there were no records of individuals identifying with two or more races.

	2000	2010	Change
White	98.55%	96.96%	-1.61%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	0%	0%	0%
Hispanic	0%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%