Caydyn
Boys' nameMeaning not yet documented
Caydyn has been given to 74 babies in the U.S. since 2006. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2008, with 11 recorded.
Babies named Caydyn, 2022
1 in 677,000
Caydyn over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Caydyn?
Caydyn had fewer than 5 recorded uses in 2025, so these figures use 2022, the last year it was published.
- Among all babies, 2022
- 1 in 677,000
- 5 of 3,385,755 births
- Among boys only
- 1 in 349,000
- <0.01% of boys
- Rank, 2022
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 469,366 kids
- Even odds of a second one
Where Caydyn sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2022 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 469,366 children born in 2022 and it's an even bet that one of them is another Caydyn. In a class of 30 the chance is Under 1%.
When Caydyns were born
Half of everyone ever recorded as Caydyn was born before 2010 — so the typical Caydyn is around 15 today.
- Biggest decade
- 2010s
- 48.6% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 74
- People you could plausibly meet
2010s — 48.6% of all recorded uses (36).
Is Caydyn rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- —
- Not ranked then
- Rank vs 5 years ago
- New entry
- Not ranked then
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 0%
- Peak was 2008 (11)
- Years since peak
- 17
- Years
- Year-to-year steadiness
- Shifting
- 24.4% average annual change
Spellings of Caydyn
Caydyn is not the most common spelling — Jayden is, with 28.6% against Caydyn's <0.01%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Caydyn by the numbers
The raw record for each sex the name is used for.
Names similar to Caydyn
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Caydyn
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.