Explore the Family Name Kio
The meaning of Kio
1. Altered form of Cayo, a surname of French origin (see Caya). Compare Chio. 2. Japanese: written 木尾 ‘tree’ and ‘tail’, implying the ridge of a tree-covered hill, where the name’s bearer lived. The name originated in Okayama prefecture and is also found in Kagoshima and Ōsaka prefectures. A variant in Chiba prefecture is written phonetically 喜尾, the first character meaning ‘rejoice’.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Kio in the United States?
Based on the Decennial U.S. Census data, the popularity of the surname Kio has observed an upward trend between 2000 and 2010. In 2000, it ranked 68,569, but by 2010 it had climbed to 62,359, marking a 9.06% increase in rank. The count of individuals with this surname also rose during this period, from 268 in 2000 to 321 in 2010. This represents a significant increase of 19.78%. Furthermore, the proportion of people with the Kio surname per 100,000 also increased by 10%, moving from 0.1 to 0.11.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #68,569 | #62,359 | 9.06% |
| Count | 268 | 321 | 19.78% |
| Proportion per 100k | 0.1 | 0.11 | 10% |
Race and Ethnicity of people with the last name Kio
The Decennial U.S. Census data reveals a shift in the ethnic identity associated with the Kio surname from 2000 to 2010. In 2000, the majority of Kios were White at 94.03%, but by 2010 there was a decrease to 81.00%. Meanwhile, Asian/Pacific Islander representation among Kios saw a substantial increase over the decade, soaring from 2.61% in 2000 to 12.15% in 2010. The percentage of Kios identifying as two or more races emerged in 2010 at 3.43%, and those identifying as Black accounted for 2.49% in 2010, despite not being represented in the 2000 data. Notably, no changes were recorded for Kios identifying as Hispanic or American Indian and Alaskan Native.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 94.03% | 81% | -13.86% |
| Asian/Pacific Islander | 2.61% | 12.15% | 365.52% |
| Two or More Races | 0% | 3.43% | 0% |
| Black | 0% | 2.49% | 0% |
| Hispanic | 0% | 0% | 0% |
| American Indian and Alaskan Native | 0% | 0% | 0% |