Caidyn
Every Caidyn since 1999 — 1,270 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Caidyn
Caidyn is rare for boys in the United States, ranked #4,420 in 2025 with 23 babies given the name. It is currently declining compared with a decade ago.
Since 1999, 1,270 American babies have been named Caidyn — about 65% boys and 35% girls, making it a genuinely unisex name. Its peak came in 2011, when 95 newborns received the name — the signature sound of the 2010s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Caidyn stood among all boys' names in any year, or use the compare tool to plot it against other names.
Caidyn year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | 23 | #4,420 |
| 2024 | 5 | #15,719 | 25 | #4,216 |
| 2023 | 8 | #11,370 | 27 | #4,019 |
| 2022 | 5 | #15,741 | 26 | #4,109 |
| 2021 | 6 | #13,797 | 16 | #5,599 |
| 2020 | 9 | #10,422 | 26 | #3,939 |
| 2019 | 8 | #11,564 | 37 | #3,148 |
| 2018 | 11 | #9,281 | 43 | #2,805 |
| 2017 | 9 | #10,855 | 34 | #3,319 |
| 2016 | 12 | #8,993 | 32 | #3,452 |
| 2015 | 13 | #8,551 | 38 | #3,032 |
| 2014 | 10 | #10,284 | 44 | #2,715 |
| 2013 | 25 | #5,348 | 45 | #2,628 |
| 2012 | 22 | #5,938 | 63 | #2,137 |
| 2011 | 31 | #4,592 | 64 | #2,081 |
| 2010 | 27 | #5,131 | 51 | #2,433 |
| 2009 | 34 | #4,385 | 55 | #2,352 |
| 2008 | 39 | #4,023 | 42 | #2,834 |
| 2007 | 33 | #4,490 | 31 | #3,455 |
| 2006 | 21 | #6,174 | 41 | #2,788 |
| 2005 | 31 | #4,393 | 20 | #4,343 |
| 2004 | 35 | #4,010 | 23 | #3,880 |
| 2003 | 16 | #6,940 | 14 | #5,306 |
| 2002 | 12 | #8,385 | — | — |
| 2001 | 5 | #15,768 | 5 | #10,798 |
| 2000 | 8 | #10,898 | 5 | #10,587 |
| 1995 | — | — | — | — |
| 1990 | — | — | — | — |
| 1985 | — | — | — | — |
| 1980 | — | — | — | — |
| 1975 | — | — | — | — |
| 1970 | — | — | — | — |
| 1965 | — | — | — | — |
| 1960 | — | — | — | — |
| 1955 | — | — | — | — |
| 1950 | — | — | — | — |
| 1945 | — | — | — | — |
| 1940 | — | — | — | — |
| 1935 | — | — | — | — |
| 1930 | — | — | — | — |
| 1925 | — | — | — | — |
| 1920 | — | — | — | — |
| 1915 | — | — | — | — |
| 1910 | — | — | — | — |
| 1905 | — | — | — | — |
| 1900 | — | — | — | — |
| 1895 | — | — | — | — |
| 1890 | — | — | — | — |
| 1885 | — | — | — | — |
| 1880 | — | — | — | — |
Frequently asked questions
How popular is the name Caidyn in 2025?
Caidyn ranked #4,420 among boys' names in the United States in 2025, with 23 babies given the name, according to Social Security Administration data.
How many people are named Caidyn?
1,270 babies have been named Caidyn in the United States since 1999, based on Social Security card applications.
When was the name Caidyn most popular?
Caidyn peaked in 2011, when 95 newborns received the name.
Is Caidyn a boy or girl name?
Caidyn is used for both: about 35% of babies named Caidyn have been girls and 65% boys.
Is the name Caidyn rising or falling?
Caidyn is declining — less popular now than a decade ago.