Explore the Family Name Cohagan

The meaning of Cohagan

Irish: shortened form of McCoghegan, which Woulfe found in Cavan, from Gaelic Mac Eochagáin, a patronymic from a diminutive of Eochaidh meaning ‘horseman’ (a derivative of each ‘horse’).

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

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

Based on the Decennial U.S. Census, the surname Cohagan saw slight changes in its popularity between 2000 and 2010. In 2000, Cohagan was ranked 68,782 in popularity, but by 2010, it had slipped to a rank of 70,208, showing a decrease of 2.07%. However, the actual count of individuals bearing the surname increased from 267 in 2000 to 279 in 2010, indicating an increase of 4.49%. This suggests that while the surname became somewhat less common relative to other surnames, the number of people named Cohagan grew. The proportion per 100,000 also experienced a decrease of 10% over this ten-year period.

20002010Change
Rank#68,782#70,208-2.07%
Count2672794.49%
Proportion per 100k0.10.09-10%

Race and Ethnicity of people with the last name Cohagan

In terms of ethnicity, the Decennial U.S. Census data indicates a predominance of the Cohagan surname within the White category. In 2000, 96.63% of those with the surname identified as White, and this figure rose to 98.21% in 2010, marking a change of 1.64%. No Cohagans were recorded under the categories Asian/Pacific Islander, Two or more races, Hispanic, Black, or American Indian and Alaskan Native either in 2000 or 2010. It's important to note that some data points may have been suppressed for privacy reasons.

20002010Change
White96.63%98.21%1.64%
Asian/Pacific Islander0%0%0%
Two or More Races0%0%0%
Hispanic0%0%0%
Black0%0%0%
American Indian and Alaskan Native0%0%0%