girl's name
Cailynn
- Gender Girl
- Letters 7
- Popularity Rare
- Births on record 1,198
Cailynn is a girl's name. In 2025 it was given to 17 babies in the United States. It is a rare choice.
- Peaked in 2009, when 68 babies were given the name.
- It has been falling over the past decade.
- Today about 1 in 195,046 babies in the United States is given this name.
- First appears in US birth records in 1990.
Cailynn 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 | 123 |
| 2000s | 386 |
| 2010s | 529 |
| 2020s (to 2025) | 145 |
How popular is Cailynn?
In 2025, Cailynn was given to 17 babies in the United States. It is a rare choice.
Where Cailynn 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 Cailynn
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Cailynn also like
Names whose popularity has risen and fallen in step with Cailynn over the last century — the same taste, a different name.
Sibling names for Cailynn
Names from the same era that won't rhyme or share an initial with Cailynn — the two things that make a sibling set grate.
Common questions about Cailynn
How popular is the name Cailynn?
In 2025, Cailynn was given to 17 babies in the United States. It is a rare choice.
Is Cailynn a girl's or a boy's name?
Cailynn is given almost entirely to girls in birth records.
When was Cailynn most popular?
Cailynn peaked in 2009, when 68 babies were given the name. It has been falling over the past decade.
Is Cailynn a good name?
That is not something records can settle, but they can tell you what you would be choosing. Cailynn currently ranks #6,833 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.