boy's name
Kayn
- Gender Boy
- Letters 4
- Popularity Rare
- Births on record 349
Kayn is a boy's name. In 2025 it was given to 20 babies in the United States. It is a rare choice.
- Peaked in 2021, when 28 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 165,782 babies in the United States is given this name.
- First appears in US birth records in 1997.
Kayn over time
Births per decade in the United States, 1990s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1990s | 13 |
| 2000s | 15 |
| 2010s | 127 |
| 2020s (to 2025) | 129 |
How popular is Kayn?
In 2025, Kayn was given to 20 babies in the United States. It is a rare choice.
Where Kayn 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 Kayn
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Kayn also like
Names whose popularity has risen and fallen in step with Kayn over the last century — the same taste, a different name.
Sibling names for Kayn
Names from the same era that won't rhyme or share an initial with Kayn — the two things that make a sibling set grate.
Common questions about Kayn
How popular is the name Kayn?
In 2025, Kayn was given to 20 babies in the United States. It is a rare choice.
Is Kayn a girl's or a boy's name?
Kayn is given almost entirely to boys in birth records.
When was Kayn most popular?
Kayn peaked in 2021, when 28 babies were given the name. It has been rising over the past decade.
Is Kayn a good name?
That is not something records can settle, but they can tell you what you would be choosing. Kayn currently ranks #5,010 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.