Explore the Family Name Gillooly
The meaning of Gillooly
Irish: shortened Anglicized form of Gaelic Mac Giolla Ghuala ‘son of the gluttonous lad’, from gola ‘gullet, gut’. Now found chiefly in Scotland and England. Some characteristic forenames: Irish Sean Michael.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Gillooly in the United States?
Based on the data from the Decennial U.S. Census, the popularity of the surname Gillooly has seen a slight increase over the decade from 2000 to 2010. In 2000, the surname was ranked at 34,038 and by 2010, it moved up to rank 33,856. This represents a change of 0.53% in rank. The count of individuals with this surname also increased from 631 people in 2000 to 672 people in 2010, a growth of 6.5%. However, the proportion of the surname per 100,000 people remained constant at 0.23.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #34,038 | #33,856 | 0.53% |
| Count | 631 | 672 | 6.5% |
| Proportion per 100k | 0.23 | 0.23 | 0% |
Race and Ethnicity of people with the last name Gillooly
Discussing ethnic identity, the ethnic origins associated with the surname Gillooly have remained largely unchanged from 2000 to 2010 according to the Decennial U.S. Census data. The majority of Gillooly's identify as White, with an increase from 96.2% in 2000 to 96.58% in 2010. The percent identifying with two or more races showed a decrease from 1.11% to 0.89%, while those identifying as Hispanic saw a decline from 1.9% to 1.64%. No individuals with this surname identified as Asian/Pacific Islander, Black, or American Indian and Alaskan Native during both census years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.2% | 96.58% | 0.4% |
| Hispanic | 1.9% | 1.64% | -13.68% |
| Two or More Races | 1.11% | 0.89% | -19.82% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |