Explore the Family Name Killilea
The meaning of Killilea
Irish (Galway): shortened Anglicized form of Gaelic Mac Giolla Leith ‘son of the gray-haired lad’.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Killilea in the United States?
The surname Killilea saw a slight decrease in popularity between the 2000 and 2010 Decennial U.S. Census reports. In 2000, this surname ranked 49,563 in popularity, but by 2010, it had dropped slightly to rank 50,659, marking a change of -2.21%. Despite the dip in ranking, the count of individuals with the Killilea surname increased from 398 in 2000 to 412 in 2010, a growth rate of 3.52%. The proportion per 100,000 also saw a minor decrease from 0.15 in 2000 to 0.14 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #49,563 | #50,659 | -2.21% |
| Count | 398 | 412 | 3.52% |
| Proportion per 100k | 0.15 | 0.14 | -6.67% |
Race and Ethnicity of people with the last name Killilea
Ethnic identity linked to the surname Killilea showed some changes according to the data from the 2000 and 2010 Decennial U.S. Census reports. In both years, there were no recorded instances of individuals identifying as Asian/Pacific Islander, two or more races, black, or American Indian and Alaskan Native associated with the Killilea surname. However, white individuals carrying this surname saw an increase from 96.73% in 2000 to 98.54% in 2010, indicating a rise of 1.87%. Meanwhile, those identifying as Hispanic decreased from 2.51% in 2000 to 1.21% in 2010, marking a significant drop of 51.79%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.73% | 98.54% | 1.87% |
| Hispanic | 2.51% | 1.21% | -51.79% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Two or More Races | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |