girl's name
Caoilinn
- Gender Girl
- Letters 8
- Popularity Top 1000 (Ireland)
- Births on record 292
Ireland
#578
2025 births
Caoilinn is a girl's name. In 2016 it was given to 6 babies in the United States. It is a well-established, commonly used name.
- Peaked in Ireland in 2013, when 21 babies were given the name.
- It has been falling over the past decade in Ireland.
- Today about 1 in 7,476 babies in Ireland is given this name.
- First appears in birth records in 1994.
Caoilinn over time
Births per decade in Ireland, 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 | 15 |
| 2000s | 90 |
| 2010s | 101 |
| 2020s (to 2025) | 34 |
How popular is Caoilinn?
In 2025, Caoilinn was given to 6 babies in Ireland, ranking #578 that year. It is a well-established, commonly used name.
Where Caoilinn is used
Irish figures withhold any name given to fewer than three babies in a year, so a gap means the name fell below that floor rather than went unused. The Central Statistics Office began recording the síneadh fada in 2018, so accented and unaccented spellings are counted separately from that year on. Data & sources.
Names that peaked alongside Caoilinn
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Caoilinn also like
Names whose popularity has risen and fallen in step with Caoilinn over the last century — the same taste, a different name.
Sibling names for Caoilinn
Names from the same era that won't rhyme or share an initial with Caoilinn — the two things that make a sibling set grate.
Common questions about Caoilinn
How popular is the name Caoilinn?
In 2025, Caoilinn was given to 6 babies in Ireland, ranking #578 that year. It is a well-established, commonly used name.
Is Caoilinn a girl's or a boy's name?
Caoilinn is given almost entirely to girls in birth records.
When was Caoilinn most popular?
Caoilinn peaked in 2013, when 21 babies were given the name. It has been falling over the past decade.
Is Caoilinn a good name?
That is not something records can settle, but they can tell you what you would be choosing. Caoilinn currently ranks #578 in Ireland. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.