unisex name
Caidyn
KAY-din (English)
- Gender Unisex
- Syllables 2
- Letters 6
- Popularity Uncommon
- Births on record 1,278
Caidyn is a unisex name with 2 syllables. It is given to both girls and boys — about 34% of recorded births with this name are girls. In 2025 it was given to 23 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2011, when 95 babies were given the name.
- It has been falling over the past decade.
- Today about 1 in 144,155 babies in the United States is given this name.
- First appears in US birth records in 1999.
- 2 syllables, with the stress on syllable 1.
Caidyn Over Time
Births per decade in the United States, 1990s to 2020s. The striped bar is the 2020s, which so far covers 2020 to 2025.
Show the numbers
| Decade | Births |
|---|---|
| 1990s | 5 |
| 2000s | 470 |
| 2010s | 619 |
| 2020s (to 2025) | 176 |
How Popular Is Caidyn?
In 2025, Caidyn was given to 23 babies in the United States. It is used consistently but remains uncommon.
Where Caidyn Is Used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names That Peaked Alongside Caidyn
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents Who Like Caidyn Also Like
Names whose popularity has risen and fallen in step with Caidyn over the last century — the same taste, a different name.
How to Say Caidyn
- English KAY-din
Sibling Names for Caidyn
Names from the same era that do not rhyme or share an initial with Caidyn — the two things that make a sibling set grate.
Common Questions About Caidyn
How popular is the name Caidyn?
In 2025, Caidyn was given to 23 babies in the United States. It is used consistently but remains uncommon.
Is Caidyn a girl's or a boy's name?
Caidyn is used for both girls and boys. About 34% of recorded births with this name are girls.
How many syllables are in Caidyn?
Caidyn has 2 syllables.
When was Caidyn most popular?
Caidyn peaked in 2011, when 95 babies were given the name. It has been falling over the past decade.
Is Caidyn a good name?
That is not something records can settle, but they can tell you what you would be choosing. Caidyn currently ranks #4,457 in the United States. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.