Baby Names of Ireland

Keelin in Irish: Caoilainn

The Irish form of Keelin is Caoilainn, a girl's name meaning “slender and fair.” Here’s how to say it, where it comes from, and names that go well with it.

Updated September 2026

How to say Caoilainn
KAY-linnTwo syllables, stress on the first
Irish form
Caoilainn
Meaning
Slender and fair
Gender
Girl
Popularity in Ireland
No. 718 for girls (2025)

How do you say Keelin in Irish?

Keelin in Irish is Caoilainn, pronounced KAY-linn. It has two syllables, with the stress on the first.

Hear Caoilainn said aloud, with its meaning (39 seconds, Baby Names of Ireland on YouTube).

What does Caoilainn mean?

Caoilainn means “slender and fair.” Keelin is one of the English forms of the name.

Read more about Caoilainn: its meaning, origin and stories

In 2025, 4 baby girls in Ireland were named Keelin, which made it No. 718 that year. That's down from No. 362 ten years earlier. It was most popular in 2009, when 52 baby girls were named Keelin, No. 126 that year. It first appears in the records in 1968, with 3 baby girls.

0306019701980199020002010202052 in 20094 in 2025
Baby girls named Keelin each year. Source: Central Statistics Office, Irish Babies’ Names 2025 (data: table VSA60, girls' names, CC BY 4.0).
See the numbers by year
YearBabiesRank
20254No. 718
20246No. 556
20238No. 445
20229No. 420
202114No. 299
202012No. 336
20193No. 871
201813No. 336
20178No. 471
201613No. 335
201513No. 362
201411No. 404
201314No. 340
201220No. 250
201136No. 166
201028No. 205
200952No. 126
200842No. 144
200740No. 153
200631No. 161
200533No. 138
200413No. 272
20037No. 403
20027No. 374
20019No. 315
200013No. 251
19998No. 294
19988No. 293
19974No. 496
19964No. 471
19943No. 502
19936No. 385
19927No. 363
19913No. 515
19903No. 517
19895No. 408
19885No. 407
19873No. 488
19865No. 422
19853No. 519
19844No. 459
19836No. 401
19816No. 386
19807No. 370
19795No. 420
19788No. 348
19776No. 391
19747No. 340
19726No. 352
19693No. 443
19683No. 401

Caoilainn in Ogham

Ogham is the oldest way of writing Irish. It was carved along the edges of standing stones, mostly between the 4th and 6th centuries, and read from the bottom up. In later tradition each letter was named after a tree or plant. Here’s Caoilainn, letter by letter.

᚛ᚉᚐᚑᚔᚂᚐᚔᚅᚅ᚜
  1. CColl, hazel
  2. AAilm, pine
  3. OOnn, gorse
  4. IIodhadh, yew
  5. LLuis, rowan
  6. AAilm, pine
  7. IIodhadh, yew
  8. NNion, ash
  9. NNion, ash

Write any name in Ogham with our Ogham translator

Names that go with Keelin

Similar names

Questions about Keelin

What is Keelin in Irish?
The Irish form of Keelin is Caoilainn, pronounced KAY-linn. Caoilainn means “slender and fair.”
How do you pronounce Caoilainn?
Caoilainn is pronounced KAY-linn. Two syllables, stress on the first. There's a short video above where you can hear it said.
Is Keelin a girl's name or a boy's name?
Keelin is a girl's name.
How popular is Keelin in Ireland?
In 2025, Keelin was No. 718 for girls in Ireland, with 4 babies, according to the Central Statistics Office. It was most popular in 2009, at No. 126.