Explore the Family Name Deehan
The meaning of Deehan
Irish (Offaly): Anglicized form of Gaelic Ó Díochon ‘descendant of Díochú’, a personal name formed with cú ‘hound’.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Deehan in the United States?
According to the Decennial U.S. Census data, the surname Deehan experienced a slight dip in popularity between 2000 and 2010. In 2000, Deehan was ranked 58,999th in terms of prevalence but dropped to 60,045th by 2010. This represents a decrease of 1.77%. However, the overall count of individuals bearing the Deehan surname increased during this period, with 321 in 2000 and 336 in 2010 – a growth rate of 4.67%. The representation of the Deehan surname per 100,000 people also decreased from 0.12 in 2000 to 0.11 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #58,999 | #60,045 | -1.77% |
| Count | 321 | 336 | 4.67% |
| Proportion per 100k | 0.12 | 0.11 | -8.33% |
Race and Ethnicity of people with the last name Deehan
The ethnic identity associated with the Deehan surname remained largely consistent from 2000 to 2010, as recorded by the Decennial U.S. Census. The vast majority of individuals with this surname identified as White, with an increase in this demographic from 96.57% in 2000 to 97.02% in 2010. There was a noted decrease in those identifying as Hispanic, which fell from 1.56% in 2000 to zero in 2010. Furthermore, no Deehans identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native during either census year. Similarly, none reported belonging to two or more races.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.57% | 97.02% | 0.47% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Hispanic | 1.56% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |