Explore the Family Name Quilliam
The meaning of Quilliam
Irish and Manx: shortened form of Gaelic Mac Uilleim ‘son of William’. Compare McWilliam.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Quilliam in the United States?
Based on the Decennial U.S. Census, the surname Quilliam demonstrated a slight increase in popularity from 2000 to 2010. In 2000, Quilliam ranked 80,216th, and by 2010 it had risen slightly to rank 79,598th. This represents a relative growth of 0.77%. The total count of people with the surname Quilliam also grew from 220 in 2000 to 239 in 2010, marking an 8.64% increase. However, the proportion of Quilliams per 100,000 people remained steady at 0.08.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #80,216 | #79,598 | 0.77% |
| Count | 220 | 239 | 8.64% |
| Proportion per 100k | 0.08 | 0.08 | 0% |
Race and Ethnicity of people with the last name Quilliam
In terms of ethnic identity, data from the Decennial U.S. Census reveals that the majority of individuals with the surname Quilliam identify as White, with a stable percentage of 93.64% in 2000 and 93.72% in 2010. This indicates a minor increase of 0.09%. The second most common ethnicity identified is Hispanic, which increased slightly from 5.00% in 2000 to 5.02% in 2010, marking a change of 0.40%. There were no reported Quilliams identifying as Asian/Pacific Islander, Black, or American Indian and Alaskan Native during these years.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 93.64% | 93.72% | 0.09% |
| Hispanic | 5% | 5.02% | 0.4% |
| 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% |