Explore the Family Name Illies
The meaning of Illies
German: derivative of the Latin personal name Aegidius (see Giles 1). Compare Illes 3.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Illies in the United States?
According to data from the Decennial U.S. Census, the popularity of the surname Illies has seen a slight decrease over time. In 2000, Illies was ranked 59,453 in terms of popularity, with a count of 318. By 2010, its rank had slipped to 67,318 and the count reduced to 293, marking a decrease of approximately 13.23% in rank and 7.86% in count. The proportion of the surname Illies per 100,000 people also decreased, going from 0.12 in 2000 to 0.1 in 2010, a decrease of 16.67%.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #59,453 | #67,318 | -13.23% |
| Count | 318 | 293 | -7.86% |
| Proportion per 100k | 0.12 | 0.1 | -16.67% |
Race and Ethnicity of people with the last name Illies
In terms of ethnicity based on the Decennial U.S. Census data, the overwhelming majority of individuals with the surname Illies identified as White. In 2000, this figure stood at 99.06%, although it dropped slightly to 97.27% by 2010. The census data for 2010 also showed that 2.05% of individuals with the Illies surname identified as being of two or more races. There were no recorded instances of the surname among Asian/Pacific Islander, Hispanic, Black, and American Indian and Alaskan Native populations in either 2000 or 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 99.06% | 97.27% | -1.81% |
| Two or More Races | 0% | 2.05% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Hispanic | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |