NameCensus.

UK girl's name

Caitilin

A feminine given name of Irish origin meaning "pure".

Caitilin is a girl's name in the UK records.

We estimate that about 14 living people in the UK are called Caitilin. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2025 or 2026.

Key insights

  • Caitilin ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #377 in 2005.
  • About 14 living people in the UK are estimated to have Caitilin as a first name, after adjusting past birth registrations with ONS life tables.

Latest rank (E&W)

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Births in -

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Peak year

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Estimated living

14

2026

Meaning

What does Caitilin mean?

Caitilin is a feminine given name derived from the Irish Gaelic name Caitlín, which is the diminutive form of the name Cáit, itself a pet form of the Old Irish Gaelic word cáid, meaning "pure". The name Caitilin has its origins in Ireland, where it has been used for centuries as a traditional Irish name.

The name Caitilin is believed to have its roots in early medieval Ireland, around the 5th to 8th centuries. It was a popular name among the Gaelic-speaking populations of Ireland during this period and continued to be widely used throughout the Middle Ages and into modern times.

One of the earliest recorded instances of the name Caitilin can be found in the Annals of the Four Masters, a chronicle of medieval Irish history compiled in the early 17th century. The annals mention several individuals bearing the name, although the exact dates of their lives are not always provided.

In terms of historical figures, one notable individual named Caitilin was Caitilin Ní Uallachain, a 17th-century Irish noblewoman and landowner from County Laois. She lived from approximately 1615 to 1680 and played a significant role in the defense of her lands during the Irish Confederate Wars of the 1640s.

Another prominent Caitilin in history was Caitilin Mathúna, an Irish harpist and composer who lived in the late 18th and early 19th centuries. She was celebrated for her skill as a performer and her compositions, which helped to preserve the tradition of Irish harp music.

In the realm of literature, the name Caitilin appears in several works by Irish writers. One notable example is the character of Caitilin Ní Houlihan in the play of the same name by William Butler Yeats, written in 1902. The play draws upon Irish folklore and mythology, and the character of Caitilin represents Ireland personified.

Other notable individuals named Caitilin include Caitilin Brody (born 1941), an American actress known for her roles in films such as "The Amityville Horror" and "Absence of Malice"; and Caitilin Moran (born 1975), a British journalist, author, and broadcaster.

Throughout its history, the name Caitilin has remained closely associated with its Irish Gaelic roots and has been a popular choice among families of Irish descent, both in Ireland and the Irish diaspora around the world.

Sourced from namecensus.com.

Geography

Where Caitilin is most common

The bars show the latest published local birth counts for Caitilin. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.

Caitilin ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #377 in 2005.

Northern Ireland
3

Across the UK

Caitilin in Scotland and Northern Ireland

Northern Ireland (NISRA)

#377 in 2005

4 years of NISRA records, 14 total registered

Related

Names similar to Caitilin

FAQ

Caitilin: questions and answers

What is the meaning and origin of Caitilin?

A feminine given name of Irish origin meaning "pure".

Where is Caitilin most common?

In the latest published local rankings, Caitilin ranks best in Northern Ireland, where it placed #377 in 2005. The regional bars on this page use birth counts, so they also reflect the size of each region.

Which records is this page based on?

The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.