Explore the Family Name Gillilan
The meaning of Gillilan
Scottish and Irish: variant of Gilliland. This surname is now rare in Britain and Ireland.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Gillilan in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Gillilan saw a considerable decrease between 2000 and 2010. In 2000, the Gillilan surname was ranked 26,642 in terms of prevalence in the United States, but by 2010, it had fallen to 37,288, marking a drop of nearly 40 percent. The actual count of individuals bearing this surname also fell from 860 in 2000 to 598 in 2010, a drop of over 30 percent. Consequently, the proportion of people with the Gillilan surname per 100,000 residents declined by 37.5 percent over the same period.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #26,642 | #37,288 | -39.96% |
| Count | 860 | 598 | -30.47% |
| Proportion per 100k | 0.32 | 0.2 | -37.5% |
Race and Ethnicity of people with the last name Gillilan
The ethnic identity associated with the surname Gillilan has seen changes between 2000 and 2010, according to the Decennial U.S. Census data. In 2000, the majority of those with the Gillilan surname identified as White (96.16 percent), a figure that slightly decreased to 94.82 percent by 2010. The Asian/Pacific Islander category saw an increase from 0.58 percent in 2000 to 1.17 percent in 2010. The proportion of those identifying as belonging to two or more races also increased from 1.74 percent in 2000 to 2.17 percent in 2010. Interestingly, there was an emergence of a Hispanic population, which was at 0 percent in 2000 but rose to 1.17 percent by 2010. However, the percentage of those identifying as American Indian and Alaskan Native fell from 1.16 percent in 2000 to 0 percent in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.16% | 94.82% | -1.39% |
| Two or More Races | 1.74% | 2.17% | 24.71% |
| Asian/Pacific Islander | 0.58% | 1.17% | 101.72% |
| Hispanic | 0% | 1.17% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 1.16% | 0% | 0% |