Explore the Family Name Kilcullen
The meaning of Kilcullen
Irish: Anglicized form of Gaelic Mac Giolla Coileáin or Mac Giolla Cuilinn, both of which Woulfe believes originally referred to Saint Caillín, i.e. ‘son of the servant of (Saint) Caillín’. Compare Kilgallon.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kilcullen in the United States?
Based on the Decennial U.S. Census data, the surname Kilcullen has seen an increase in popularity between 2000 and 2010. In 2000, Kilcullen ranked 37,266th in terms of popularity among all surnames in the United States. However, by 2010, it had risen to the 34,390th position, indicating a growth rate of 7.72%. Moreover, the number of individuals carrying this surname also rose from 563 in 2000 to 659 in 2010, marking an impressive increase of 17.05%. The proportion of people with the surname Kilcullen per 100,000 also saw a slight rise from 0.21 to 0.22 over the decade.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #37,266 | #34,390 | 7.72% |
| Count | 563 | 659 | 17.05% |
| Proportion per 100k | 0.21 | 0.22 | 4.76% |
Race and Ethnicity of people with the last name Kilcullen
The Decennial U.S. Census data also provides insights into the ethnic identity associated with the surname Kilcullen. Notably, the majority of individuals with this surname identified as White, comprising 97.34% in 2000 and slightly decreasing to 94.84% by 2010. There was a small representation of Asian/Pacific Islanders and those identifying with two or more races, both groups seeing an increase from 2000 to 2010. The percentage of Asian/Pacific Islanders went from zero to 1.97%, while those of mixed ethnicity increased by 42.06% to reach 1.52%. The Hispanic population remained nearly constant at just above 1%. No individuals with the surname Kilcullen identified as Black or American Indian and Alaskan Native during these years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.34% | 94.84% | -2.57% |
| Asian/Pacific Islander | 0% | 1.97% | 0% |
| Two or More Races | 1.07% | 1.52% | 42.06% |
| Hispanic | 1.07% | 1.06% | -0.93% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |