Explore the Family Name Kilbourn
The meaning of Kilbourn
1. English (mainly Leicestershire): variant of Kilburn. 2. Possibly also an Americanized form of German Kühlborn: habitational name from a place so named in former East Prussia; the meaning of the name being kühl ‘cool’ + born ‘well, spring’.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kilbourn in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Kilbourn has seen a slight increase between 2000 and 2010. In 2000, Kilbourn was ranked 19,657 in terms of surname popularity in the United States, with a count of 1,269 individuals bearing it. By 2010, the rank had improved slightly to 19,567, reflecting an overall change of 0.46%. The count of individuals with this surname also rose to 1,379, marking an increase of 8.67%. Interestingly, the proportion per 100,000 people remained constant at 0.47 during this period.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #19,657 | #19,567 | 0.46% |
| Count | 1,269 | 1,379 | 8.67% |
| Proportion per 100k | 0.47 | 0.47 | 0% |
Race and Ethnicity of people with the last name Kilbourn
When discussing the ethnic identity associated with the surname Kilbourn, the Decennial U.S. Census data shows that most individuals with this surname identify as White. This group represented 95.35% of all Kilbourns in 2000 and fell slightly to 94.49% in 2010. The number of individuals identifying with two or more races saw a significant increase from 1.26% to 1.67% over the same period. There was a slight growth in those identifying as Hispanic, from 1.58% in 2000 to 1.96% in 2010. Meanwhile, the percentage of American Indian and Alaskan Native individuals remained relatively steady, increasing only slightly from 1.34% to 1.38%. Notably, there were no reported instances of individuals identifying as Asian/Pacific Islander or Black within the Kilbourn surname group in either year.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.35% | 94.49% | -0.9% |
| Hispanic | 1.58% | 1.96% | 24.05% |
| Two or More Races | 1.26% | 1.67% | 32.54% |
| American Indian and Alaskan Native | 1.34% | 1.38% | 2.99% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |