Caidyn
- Gender
- Mostly boys
- Say it
- KAY-din
- Origin
- Modern
- US rank, 2025
- #4,395 for boys
Caidyn is a name of Modern origin. In 2025 it ranked 4,395th for boys in the US (23 babies).
What does Caidyn mean?
Modern: spelling of Kaidyn, itself a spelling of Kaden, a modern coinage
A spelling of Kaden, part of the rhyming family of Aiden, Braden and Jayden.
Meaning borrowed from Kaidyn.
Is Caidyn a girl's or a boy's name?
In recent years, Caidyn has been given to girls and boys, mostly boys. In 2025, it was given to 23 boys in the US.
How popular is Caidyn in the US?
- Rank in 2025
- 4,395th among boys
- Babies in 2025
- 23 about 1 in 74,000 boys
- Five-year trend
- Falling down 29% in five years
- Same name in a class
- under 1% chance among 15 boys
In 2025, 23 boys in the US were named Caidyn, making it the 4,395th most popular name for boys. Five years earlier, in 2020, it was 3,915th. Its busiest year was 2011, with 64 boys. It first appears in the records in 2000.
Half of all the boys named Caidyn in the US since 1880 were born between 2009 and 2018, the years shaded on the chart below.
In 2003, 53% of the babies named Caidyn in the US were girls. By 2024 it was 17%, with more boys than girls since 2008.
Caidyn in the US, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 23 | #4,395 |
| 2024 | 25 | #4,197 |
| 2023 | 27 | #3,999 |
| 2022 | 26 | #4,086 |
| 2021 | 16 | #5,557 |
| 2020 | 26 | #3,915 |
| 2019 | 37 | #3,140 |
| 2018 | 43 | #2,795 |
| 2017 | 34 | #3,310 |
| 2016 | 32 | #3,440 |
| 2015 | 38 | #3,021 |
| 2014 | 44 | #2,703 |
| 2013 | 45 | #2,621 |
| 2012 | 63 | #2,131 |
| 2011 | 64 | #2,076 |
| 2010 | 51 | #2,428 |
| 2009 | 55 | #2,347 |
| 2008 | 42 | #2,827 |
| 2007 | 31 | #3,442 |
| 2006 | 41 | #2,783 |
| 2005 | 20 | #4,321 |
| 2004 | 23 | #3,855 |
| 2003 | 14 | #5,265 |
| 2002 | 0 | – |
| 2001 | 5 | #10,548 |
| 2000 | 5 | #10,341 |
Names like Caidyn
Names given in the same years and the same naming tradition, with a similar sound.
Kayden, Finnegan, Brayden, Finn, Cannon, Declan, Brecken, Keegan, Aiden, Ronan, Rayden, Braylen
Names related to Caidyn
Caiden, Kaidyn, Cadyn, Caedyn, Caidan, Caydin, Cadin, Caidon
More Modern names
Jayden, Ailany, Myla, Nevaeh, Jax, Indie, Miley, Raelynn, Kaiden, Kehlani, Alayna, Caden, Zayden, Wrenley, Mya, Oaklynn
Sources
Figures from 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, “Caidyn: name meaning, origin and popularity”, https://www.nameling.co.uk/names/caidyn, updated 20 October 2026.