Explore the Family Name Dullaghan
The meaning of Dullaghan
Irish: from Ó Dubhlacháin, ‘descendant of Dubhlachán’, a personal name meaning ‘black duckling’.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Dullaghan in the United States?
Based on the data from the Decennial U.S. Census, the popularity of the surname Dullaghan has slightly decreased in rank from 104,257 in 2000 to 105,079 in 2010, a change of -0.79. However, the count of individuals with this surname has increased by 6.92 from 159 in 2000 to 170 in 2010. The proportion per 100,000 people remained steady at 0.06 for both years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #104,257 | #105,079 | -0.79% |
| Count | 159 | 170 | 6.92% |
| Proportion per 100k | 0.06 | 0.06 | 0% |
Race and Ethnicity of people with the last name Dullaghan
In terms of ethnicity, the data from the Decennial U.S. Census shows that in 2000 and 2010, there were no recorded instances of the surname Dullaghan within the Asian/Pacific Islander, Hispanic, Black, or American Indian and Alaskan Native ethnic identities. However, there was a slight decrease in the White identity from 95.60 in 2000 to 94.12 in 2010, indicating a small shift in ethnic distribution. Interestingly, the category of "Two or more races" saw an introduction of the Dullaghan surname at 3.53 in 2010, up from zero in 2000.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.6% | 94.12% | -1.55% |
| Two or More Races | 0% | 3.53% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |