Kain
Boy name · #1735 in 2025 · Uniqueness 73/100
In 2025, 94 baby boys were named Kain, placing it at #1735 in the official national rankings. A decade ago it stood at #1388, so the name has been falling over the past ten years. Roughly one in every 19,149 boys born in 2025 was named Kain.
The 52-year story
Kain first appears in the Social Security records in 1973, when 9 boys received the name. Its peak came in 2016, when 180 boys were named Kain — good for #1090 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Kain per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Kain against up to 5 other names.
Uniqueness: will there be another Kain in class?
Kain scores 73 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "rare" band. A high score means genuine rarity — your Kain will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kain is most common
Geography matters for names, and Kain is no exception. In 2025 the states with the most Kains were TX (11), CA (8), FL (6), NY (6), IL (5). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Kain
Statistically, parents drawn to Kain tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Cain, Kyrin, Rain, Hussain, and Kylin.
CainKyrinRainHussainKylinKalvinKorbinTorin
Rank history (last 25 years)
| Year | Babies named Kain | Rank |
|---|---|---|
| 2025 | 94 | #1728 |
| 2024 | 110 | #1573 |
| 2023 | 104 | #1650 |
| 2022 | 102 | #1678 |
| 2021 | 141 | #1320 |
| 2020 | 107 | #1539 |
| 2019 | 127 | #1394 |
| 2018 | 143 | #1282 |
| 2017 | 168 | #1132 |
| 2016 | 180 | #1090 |
| 2015 | 124 | #1388 |
| 2014 | 152 | #1205 |
| 2013 | 136 | #1277 |
| 2012 | 136 | #1285 |
| 2011 | 127 | #1331 |
| 2010 | 124 | #1368 |
| 2009 | 109 | #1518 |
| 2008 | 113 | #1452 |
| 2007 | 103 | #1527 |
| 2006 | 91 | #1596 |
| 2005 | 91 | #1546 |
| 2004 | 71 | #1763 |
| 2003 | 108 | #1296 |
| 2002 | 98 | #1346 |
| 2001 | 96 | #1345 |
Frequently asked questions
Is Kain a popular boy name?
Kain ranked #1735 among boys in 2025 with 94 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1388.
When was the name Kain most popular?
Kain peaked in 2016, when 180 American boys received the name (ranked #1090 that year). Since 2016 the name has declined from that high.
How rare is the name Kain?
In 2025, roughly 1 in 19,149 newborn American boys was named Kain. It scores 73/100 on our uniqueness scale (rarity blended with momentum), which we classify as "rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.