Explore the Family Name Kilfoyle
How common is the last name Kilfoyle in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Kilfoyle has seen a slight decrease over time. In 2000, it was ranked as the 48,293rd most popular surname and this rank slipped to 52,037 in 2010, marking a change of -7.75%. The count of individuals bearing the surname also dropped from 411 in 2000 to 399 in 2010, denoting a decline of -2.92%. Consequently, the proportion per 100,000 people also saw a slight reduction of -6.67%, moving from 0.15 in 2000 to 0.14 in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #48,293 | #52,037 | -7.75% |
| Count | 411 | 399 | -2.92% |
| Proportion per 100k | 0.15 | 0.14 | -6.67% |
Race and Ethnicity of people with the last name Kilfoyle
When discussing the ethnic identity associated with the Kilfoyle surname, the Decennial U.S. Census data shows a majority of the bearers of this surname identifying as White. This group made up 96.35% in 2000 and slightly decreased to 96.24% in 2010, a negligible shift of -0.11%. Individuals identifying as Hispanic made up 1.95% in 2000 and dropped to 1.75% in 2010, showing a decrease of -10.26%. Those identifying as two or more ethnicities accounted for 1.70% in 2000 and reduced to 1.25% in 2010, a change of -26.47%. No notable changes were seen in the Asian/Pacific Islander, Black, and American Indian and Alaskan Native categories, as the numbers were either zero or suppressed for privacy (S).
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 96.35% | 96.24% | -0.11% |
| Hispanic | 1.95% | 1.75% | -10.26% |
| Two or More Races | 1.7% | 1.25% | -26.47% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |