Koy
Every Koy since 1970 — 979 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Koy
Koy is rare for boys in the United States, ranked #5,319 in 2025 with 18 babies given the name. It is currently holding steady compared with a decade ago.
Since 1970, 979 American babies have been named Koy. Its peak came in 1997, when 46 newborns received the name — the signature sound of the 1990s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Koy stood among all boys' names in any year, or use the compare tool to plot it against other names.
Koy year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | 18 | #5,319 |
| 2024 | — | — | 33 | #3,492 |
| 2023 | — | — | 21 | #4,825 |
| 2022 | — | — | 18 | #5,336 |
| 2021 | — | — | 32 | #3,547 |
| 2020 | — | — | 25 | #4,092 |
| 2019 | — | — | 23 | #4,417 |
| 2018 | — | — | 20 | #4,853 |
| 2017 | — | — | 27 | #3,936 |
| 2016 | — | — | 33 | #3,401 |
| 2015 | — | — | 28 | #3,835 |
| 2014 | — | — | 31 | #3,510 |
| 2013 | — | — | 33 | #3,308 |
| 2012 | — | — | 28 | #3,759 |
| 2011 | — | — | 28 | #3,741 |
| 2010 | — | — | 22 | #4,455 |
| 2009 | — | — | 15 | #5,973 |
| 2008 | — | — | 30 | #3,611 |
| 2007 | — | — | 22 | #4,446 |
| 2006 | — | — | 34 | #3,192 |
| 2005 | — | — | 28 | #3,496 |
| 2004 | — | — | 41 | #2,623 |
| 2003 | — | — | 36 | #2,761 |
| 2002 | — | — | 25 | #3,516 |
| 2001 | — | — | 20 | #4,052 |
| 2000 | — | — | 23 | #3,594 |
| 1995 | — | — | 17 | #3,778 |
| 1990 | 5 | #14,128 | 7 | #6,850 |
| 1985 | — | — | — | — |
| 1980 | — | — | — | — |
| 1975 | — | — | 7 | #4,579 |
| 1970 | — | — | 6 | #4,510 |
| 1965 | — | — | — | — |
| 1960 | — | — | — | — |
| 1955 | — | — | — | — |
| 1950 | — | — | — | — |
| 1945 | — | — | — | — |
| 1940 | — | — | — | — |
| 1935 | — | — | — | — |
| 1930 | — | — | — | — |
| 1925 | — | — | — | — |
| 1920 | — | — | — | — |
| 1915 | — | — | — | — |
| 1910 | — | — | — | — |
| 1905 | — | — | — | — |
| 1900 | — | — | — | — |
| 1895 | — | — | — | — |
| 1890 | — | — | — | — |
| 1885 | — | — | — | — |
| 1880 | — | — | — | — |
Frequently asked questions
How popular is the name Koy in 2025?
Koy ranked #5,319 among boys' names in the United States in 2025, with 18 babies given the name, according to Social Security Administration data.
How many people are named Koy?
979 babies have been named Koy in the United States since 1970, based on Social Security card applications.
When was the name Koy most popular?
Koy peaked in 1997, when 46 newborns received the name.
Is Koy a boy or girl name?
Koy is overwhelmingly a boy's name — 97% of babies with the name.
Is the name Koy rising or falling?
Koy has been roughly stable over the past decade.