Kadyn
Boy name · #3021 in 2025 · Very rare
How old is the name Kadyn? In official American birth records, Kadyn has been tracked continuously since 1994, giving it 31 years of documented American history.
Kadyn ranks #3021 among American boys' names as of 2025, with 41 newborns given the name that year. A decade ago it stood at #1463, so the name has been falling over the past ten years. Roughly one in every 43,902 boys born in 2025 was named Kadyn.
The 31-year story
Kadyn first appears in the Social Security records in 1994, when 8 boys received the name. Its peak came in 2009, when 260 boys were named Kadyn — good for #833 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 Kadyn per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kadyn against up to 5 other names.
Uniqueness: will there be another Kadyn in class?
On our rarity read — which blends how common Kadyn is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kadyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kadyn is most common
State-level data for Kadyn is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Kadyn
Statistically, parents drawn to Kadyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Jaidyn, Aidyn, Kaedyn, Bradyn, and Jordyn.
JaidynAidynKaedynBradynJordynKaidynKaedenGavyn
Rank history (last 25 years)
| Year | Babies named Kadyn | Rank |
|---|---|---|
| 2025 | 41 | #2991 |
| 2024 | 61 | #2313 |
| 2023 | 51 | #2575 |
| 2022 | 51 | #2616 |
| 2021 | 54 | #2464 |
| 2020 | 49 | #2586 |
| 2019 | 90 | #1737 |
| 2018 | 100 | #1625 |
| 2017 | 95 | #1661 |
| 2016 | 92 | #1694 |
| 2015 | 115 | #1463 |
| 2014 | 136 | #1300 |
| 2013 | 150 | #1192 |
| 2012 | 175 | #1072 |
| 2011 | 170 | #1091 |
| 2010 | 226 | #901 |
| 2009 | 260 | #833 |
| 2008 | 220 | #924 |
| 2007 | 230 | #880 |
| 2006 | 206 | #919 |
| 2005 | 214 | #860 |
| 2004 | 151 | #1061 |
| 2003 | 121 | #1210 |
| 2002 | 72 | #1647 |
| 2001 | 59 | #1871 |
Frequently asked questions
How old is the name Kadyn?
In official American birth records, the name Kadyn first appeared in 1994 (over 31 years ago), when 8 newborn boys received the name. It has been tracked in modern national records for 31 years.
Is Kadyn a popular boy name?
Kadyn ranked #3021 among boys in 2025 with 41 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1463.
When was the name Kadyn most popular?
Kadyn peaked in 2009, when 260 American boys received the name (ranked #833 that year). Since 2009 the name has declined from that high.
How rare is the name Kadyn?
In 2025, roughly 1 in 43,902 newborn American boys was named Kadyn. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.