Explore the Family Name Coonan

The meaning of Coonan

Irish (Tipperary and Offaly): Anglicized form of Gaelic Ó Cuanáin ‘descendant of Cuanán’, a diminutive of the personal name Cuana (see Cooney). Some characteristic forenames: Irish Liam.

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

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

The surname Coonan saw a decline in popularity based on data from the Decennial U.S. Census. In 2000, Coonan ranked 34,503 in terms of popularity with a count of 621 individuals bearing this surname. By 2010, the rank had dropped to 37,125 with only 601 individuals identified as Coonans, indicating a decrease of 3.22 percent. The proportion per 100,000 also declined by 13.04 percent, moving from 0.23 to 0.2.

20002010Change
Rank#34,503#37,125-7.6%
Count621601-3.22%
Proportion per 100k0.230.2-13.04%

Race and Ethnicity of people with the last name Coonan

In regard to ethnic identity, the data from the Decennial U.S. Census shows slight changes over the decade. In 2000, most of the Coonans (97.42 percent) identified as White, which slightly decreased to 96.51 percent in 2010. The Hispanic representation within the Coonan demographic increased significantly from 1.13 percent in 2000 to 2.16 percent in 2010. Meanwhile, the Coonan surname appeared for the first time among the Asian/Pacific Islander demographic in 2010, while it disappeared from the group identifying as having two or more races. There were no Coonans who identified as Black or American Indian and Alaskan Native during both census years.

20002010Change
White97.42%96.51%-0.93%
Hispanic1.13%2.16%91.15%
Asian/Pacific Islander0%1%0%
Two or More Races0.97%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%