Explore the Family Name Quilty
The meaning of Quilty
Irish (Limerick and Waterford): Anglicized form of Gaelic Ó Caoilte, ‘descendant of Caoilte’ (see Kielty).
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Quilty in the United States?
Based on the Decennial U.S. Census, the surname Quilty saw a slight decrease in popularity between 2000 and 2010. In 2000, Quilty was ranked as the 32,417th most popular surname in the United States, but by 2010, it had fallen slightly to rank 33,164. During this same time period, the actual count of individuals with this surname increased from 669 to 690, marking a growth rate of 3.14%. However, when looking at the proportion per 100,000 people, there was an 8% decrease from 0.25 in 2000 to 0.23 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #32,417 | #33,164 | -2.3% |
| Count | 669 | 690 | 3.14% |
| Proportion per 100k | 0.25 | 0.23 | -8% |
Race and Ethnicity of people with the last name Quilty
In terms of ethnicity, the data from the Decennial U.S. Census shows that the majority of individuals with the surname Quilty identified as white in both 2000 and 2010, although there was a minor decrease from 97.76% to 95.65%. The percentage of those identifying as Asian/Pacific Islander more than doubled from 0.90% to 1.74% during these years. Additionally, there was a small increase in those identifying with two or more ethnicities, going from 1.20% to 1.30%. Interestingly, while there were no individuals with the Quilty surname identifying as Hispanic in 2000, by 2010, 0.87% of Quiltys identified as such. The data for Black and American Indian/Alaskan Native remained unchanged at 0%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 97.76% | 95.65% | -2.16% |
| Asian/Pacific Islander | 0.9% | 1.74% | 93.33% |
| Two or More Races | 1.2% | 1.3% | 8.33% |
| Hispanic | 0% | 0.87% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |