Kayin
- Last seen for girls in 2023 at #11,169
- #8,910 for boys in 2025, 8 births
- Given to boys 87.0% of the time
Showing
- Peak · boys
- 2001 · 31 births
- Debut · boys
- 7 births
- In top 100 · boys
- neverof 146 years
- Total births · boys
- 548since 1977
Kayin over time
girlsboys
Rank within each sex, plotted together. Click any year to open it.
Hover or use arrow keys to read values by year; click or press Enter to open that year.
Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.
Show data table
| Year | girls | boys | ||
|---|---|---|---|---|
| rank | births | rank | births | |
| 2025 | — | #8,910 | 8 | |
| 2024 | — | — | ||
| 2023 | #11,169 | 8 | #7,289 | 11 |
| 2022 | #12,243 | 7 | #7,262 | 11 |
| 2021 | — | #8,166 | 9 | |
| 2020 | — | #8,739 | 8 | |
| 2019 | — | #7,643 | 10 | |
| 2018 | — | #7,136 | 11 | |
| 2017 | — | #5,297 | 17 | |
| 2016 | — | #4,327 | 23 | |
| 2015 | — | #8,744 | 8 | |
| 2014 | #16,513 | 5 | #7,562 | 10 |
| 2013 | #13,150 | 7 | #4,981 | 18 |
| 2012 | — | #4,251 | 23 | |
| 2011 | #16,764 | 5 | #5,433 | 16 |
| 2010 | #16,992 | 5 | #5,047 | 18 |
| 2009 | — | #4,160 | 24 | |
| 2008 | — | #3,486 | 31 | |
| 2007 | #17,636 | 5 | #3,793 | 27 |
| 2006 | #12,420 | 8 | #3,888 | 25 |
| 2005 | #9,452 | 11 | #3,447 | 28 |
| 2004 | #14,179 | 6 | #3,217 | 30 |
| 2003 | — | #3,838 | 22 | |
| 2002 | #11,108 | 8 | #3,794 | 22 |
| 2001 | #12,056 | 7 | #2,931 | 31 |
| 2000 | — | #3,764 | 21 | |
| 1999 | — | #3,182 | 25 | |
| 1998 | — | #4,873 | 13 | |
| 1997 | — | #5,642 | 10 | |
| 1996 | — | #4,396 | 14 | |
| 1995 | — | — | ||
| 1994 | — | #5,868 | 9 | |
| 1993 | — | #6,228 | 8 | |
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| 1977 | — | #4,582 | 7 | |
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First appearance
1977
The first year at least five boys were named Kayin! It came in at #4,582, and was given to 7 baby boys.
Quietest stretch: 1978–1992, when fewer than 5 boys a year got the name.
Where Kayin is popular in 2025
No state had 5 or more boys named Kayin in 2025, so the SSA doesn't publish it for any state.
See more about Kayin
Momentum · boys
Holding steady
- 171 spots since 2020 (#8,739 → #8,910)
- 166 spots since 2015 (#8,744 → #8,910)
Rise & fade · boys
24 yrs to peak
- Debuted 1977
- Peaked 2001 at #2,931 (31 births)
- Births halved by 2014, 13 yrs later
Top of the charts · boys
Never in the top 1,000
- Top 10: never
- Top 100: never
- Top 1,000: never
Share of babies · boys
1 in 62,674
- Highest: 1 in 62,674 boys born in 2001 were named Kayin (0.00%)
- Latest: 1 in 213,509 boys born in 2025 (0.00%)
Era · boys
The 2000s
- 47.6% of all boys named Kayin (261) were born in this decade
Girls or boys?
Never flipped
- The majority has never changed
Show by decade
| Decade | Births | Best rank | Avg rank |
|---|---|---|---|
| 1970s | 7 | #4,582 (1977) | #4,582 |
| 1980s | 0 | — | — |
| 1990s | 79 | #3,182 (1999) | #5,032 |
| 2000s | 261 | #2,931 (2001) | #3,632 |
| 2010s | 154 | #4,251 (2012) | #6,042 |
| 2020s | 47 | #7,262 (2022) | #8,073 |
All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.
Want to check a specific year?
See where Kayin ranked and which names it was up against. Click a point on the chart, or pick a year: