Kayo is a very rare variant of Kaye that peaked in 2009 and remains in steady use.
Kayo is predominantly a boy name. In 2025 it ranked #7,433 for boy births in the United States (and #15,583 across all names), given to 11 babies. Kayo first appears in 1926 and peaked in 2009 (20 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 11 | 11 | — | #7,433 |
| 2024 | 13 | 13 | — | #6,648 |
| 2023 | 13 | 13 | — | #6,721 |
| 2022 | 13 | 13 | — | #6,664 |
| 2021 | 13 | 13 | — | #6,509 |
| 2020 | 5 | 5 | — | #13,108 |
| 2019 | 5 | 5 | — | #13,159 |
| 2018 | 13 | 13 | — | #6,535 |
| 2017 | 10 | 10 | — | #7,877 |
| 2016 | 8 | 8 | — | #9,289 |
| 2015 | 11 | 11 | — | #7,310 |
| 2014 | 9 | 9 | — | #8,479 |
| 2013 | 11 | 11 | — | #7,303 |
| 2012 | 15 | 15 | — | #5,853 |
| 2011 | 11 | 11 | — | #7,258 |
| 2010 | 9 | 9 | — | #8,466 |
| 2009 | 20 | 20 | — | #4,843 |
| 2008 | 14 | 14 | — | #6,262 |
| 2007 | 14 | 14 | — | #6,105 |
| 2006 | 12 | 12 | — | #6,690 |
| 2005 | 9 | 9 | — | #8,002 |
| 2004 | 6 | 6 | — | #10,683 |
| 2003 | 7 | 7 | — | #9,178 |
| 2002 | 7 | 7 | — | #8,945 |
| 2001 | 5 | 5 | — | #11,493 |
| 1995 | 5 | — | — | #9,607 |
| 1973 | 5 | — | #9,007 | — |
| 1948 | 5 | — | — | #3,941 |
| 1926 | 5 | — | — | #4,525 |