Kayin
- Gender
- Boy
- Say it
- KAY-in
- US rank, 2025
- #8,906 for boys
Kayin is a boys' name. In 2025 it ranked 8,906th for boys in the US (8 babies).
Is Kayin a girl's or a boy's name?
Kayin is a boys' name. In 2025, it was given to 8 boys in the US. Too few girls were given it to be listed.
How popular is Kayin in the UK?
No boys in the UK were given it in 2025, or too few to be listed. Its busiest year was 2004, with 5 boys.
Kayin in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2016 | 5 | #3,655 |
| 2015 | 0 | – |
| 2014 | 0 | – |
| 2013 | 0 | – |
| 2012 | 0 | – |
| 2011 | 4 | #3,986 |
| 2010 | 3 | #4,865 |
| 2009 | 0 | – |
| 2008 | 5 | #3,305 |
| 2007 | 3 | #4,486 |
| 2006 | 0 | – |
| 2005 | 0 | – |
| 2004 | 5 | #2,691 |
| 2003 | 1 | #4,616 |
How popular is Kayin in the US?
- Rank in 2025
- #8,906among boys
- Babies in 2025
- 8about 1 in 210,000 boys
- Five-year trend
- Too rare to calltoo few babies to tell
- Same name in a class
- under 1%chance among 15 boys
In 2025, 8 boys in the US were named Kayin, making it the 8,906th most popular name for boys. Five years earlier, in 2020, it was 8,734th. Its busiest year was 2001, with 31 boys. It first appears in the records in 1977.
Half of all the boys named Kayin in the US since 1880 were born between 2001 and 2013, the years shaded on the chart below.
In 2007, 16% of the babies named Kayin in the US were girls.
Kayin in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 8 | #8,906 |
| 2024 | 0 | – |
| 2023 | 11 | #7,284 |
| 2022 | 11 | #7,256 |
| 2021 | 9 | #8,161 |
| 2020 | 8 | #8,734 |
| 2019 | 10 | #7,638 |
| 2018 | 11 | #7,132 |
| 2017 | 17 | #5,293 |
| 2016 | 23 | #4,326 |
| 2015 | 8 | #8,739 |
| 2014 | 10 | #7,557 |
| 2013 | 18 | #4,978 |
| 2012 | 23 | #4,248 |
| 2011 | 16 | #5,429 |
| 2010 | 18 | #5,044 |
| 2009 | 24 | #4,158 |
| 2008 | 31 | #3,483 |
| 2007 | 27 | #3,791 |
| 2006 | 25 | #3,886 |
| 2005 | 28 | #3,443 |
| 2004 | 30 | #3,213 |
| 2003 | 22 | #3,833 |
| 2002 | 22 | #3,789 |
| 2001 | 31 | #2,926 |
| 2000 | 21 | #3,758 |
| 1999 | 25 | #3,178 |
| 1998 | 13 | #4,868 |
| 1997 | 10 | #5,636 |
| 1996 | 14 | #4,390 |
| 1995 | 0 | – |
| 1994 | 9 | #5,862 |
| 1993 | 8 | #6,221 |
| 1992 | 0 | – |
| 1991 | 0 | – |
| 1990 | 0 | – |
| 1989 | 0 | – |
| 1988 | 0 | – |
| 1987 | 0 | – |
| 1986 | 0 | – |
| 1985 | 0 | – |
| 1984 | 0 | – |
| 1983 | 0 | – |
| 1982 | 0 | – |
| 1981 | 0 | – |
| 1980 | 0 | – |
| 1979 | 0 | – |
| 1978 | 0 | – |
| 1977 | 7 | #4,580 |
Names like Kayin
Names given in the same years and the same naming tradition, with a similar sound.
Kayden Kian Aiden Finn Brody Ronan Caelan Keegan Declan Logan Jayden Rowan
Names related to Kayin
Kiyaan Kayan Kyan Kaiyan Kayaan Kaine Kain Kaian Kaniyah Kayne Kaniya
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Kayin: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kayin, updated 20 October 2026.