Kayin
2 countries#8910 in United States, 2025Popularity across 2 countries
Each line is scaled to its own peak, so you can compare when Kayin was in fashion in each country, whatever the population size.
Country by country
🇺🇸 United States
630 births recorded 1977–2025 · currently #8910 · peaked in 2005 with 39 births
Most common in: California, Illinois
Source: Social Security Administration, official birth-registration data
🏴🏴 England & Wales
25 births recorded 2004–2016 · peaked in 2004 with 5 births
Source: Office for National Statistics, official birth-registration data
🇬🇧 United Kingdom
25 births recorded 2004–2016 · peaked in 2004 with 5 births (England & Wales + Scotland + Northern Ireland combined)
Source: ONS, National Records of Scotland & NISRA (combined), official birth-registration data
United States rank history
Kayin’s rank among boys’ names, most recent 20 years on record.
| Year | Rank | vs. prior yr |
|---|---|---|
| 2005 | #3447 | — |
| 2006 | #3888 | ↓441 |
| 2007 | #3793 | ↑95 |
| 2008 | #3486 | ↑307 |
| 2009 | #4160 | ↓674 |
| 2010 | #5047 | ↓887 |
| 2011 | #5433 | ↓386 |
| 2012 | #4251 | ↑1182 |
| 2013 | #4981 | ↓730 |
| 2014 | #7562 | ↓2581 |
| 2015 | #8744 | ↓1182 |
| 2016 | #4327 | ↑4417 |
| 2017 | #5297 | ↓970 |
| 2018 | #7136 | ↓1839 |
| 2019 | #7643 | ↓507 |
| 2020 | #8739 | ↓1096 |
| 2021 | #8166 | ↑573 |
| 2022 | #7262 | ↑904 |
| 2023 | #7289 | ↓27 |
| 2025 | #8910 | ↓1621 |
Frequently asked questions about Kayin
Is Kayin a popular name?
Yes — Kayin currently ranks #8910 among boys’ names in United States as of 2025, based on official birth records.
Is Kayin more common for boys or girls?
Kayin is recorded predominantly as a boys’ name in official United States birth data.
When was Kayin most popular?
Kayin peaked in 2005 in United States, with 39 recorded births that year.
Is Kayin rising or falling in popularity?
In United States, Kayin’s popularity is falling — its rank has slipped from #4582 in 1977 to #8910 in 2025.
How many babies have been named Kayin?
At least 655 babies have been recorded with the name Kayin across official birth statistics in 2 countries.
Is Kayin popular in more than one country?
Yes — Kayin appears in official birth records in 2 countries: United States, England & Wales.
What names are similar in popularity to Kayin?
Based on real 2025 ranking data in United States, names ranked closest to Kayin include Kawan.
Similar names right now
Ranked directly next to Kayin in United States, 2025 — a real popularity match, not a subjective list.