UK girl's name
Caelainn
A feminine given name of Irish origin meaning "slender" or "fair".
Caelainn is a girl's name in the UK records.
We estimate that about 8 living people in the UK are called Caelainn. 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
- • Caelainn ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #286 in 2002.
- • About 8 living people in the UK are estimated to have Caelainn as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
-
Births in -
-
Peak year
-
Estimated living
8
2026
Meaning
What does Caelainn mean?
The name Caelainn originates from the Irish language and Gaelic culture. It is a feminine given name with roots that can be traced back to the Middle Ages in Ireland. The name is likely derived from the Old Irish words "cael" meaning "slender" and "finn" meaning "white" or "fair," suggesting a meaning of "slender and fair" or "slender white one."
In ancient Irish folklore and mythology, several figures bore names resembling Caelainn, though the exact spelling varied. One such figure was Caellóc, a 6th-century Irish saint and abbot who founded several monasteries in Ireland and Scotland. However, the name Caelainn itself does not appear to have been recorded in any major historical texts or religious scriptures from that era.
The earliest recorded examples of the name Caelainn can be found in Irish annals and genealogical records from the 16th and 17th centuries. One notable bearer of the name was Caelainn Ó Duibhgeannáin, an Irish scribe and historian who lived in the late 16th century and compiled several important manuscripts on Irish history and genealogy.
Throughout history, there have been several other notable individuals named Caelainn, though the name has remained relatively uncommon. Caelainn Hyndman was an Irish poet and journalist who lived in the late 19th and early 20th centuries (1867-1942). Caelainn McMahon was an Irish politician and member of the Sinn Féin party, serving in the Northern Ireland Assembly in the early 2000s.
Another prominent bearer of the name was Caelainn Ní Dhonnabháin, an Irish language scholar and author who lived from 1913 to 1998. She made significant contributions to the preservation and promotion of the Irish language through her writings and advocacy work.
Finally, Caelainn Doyle is a contemporary Irish author and journalist who has written for various publications, including The Guardian and The Irish Times. Born in 1985, she has published several works of non-fiction exploring topics related to Irish history and culture.
Sourced from namecensus.com.
Geography
Where Caelainn is most common
The bars show the latest published local birth counts for Caelainn. 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.
Caelainn ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #286 in 2002.
Across the UK
Caelainn in Scotland and Northern Ireland
Northern Ireland (NISRA)
#286 in 2002
2 years of NISRA records, 8 total registered
Related
Names similar to Caelainn
- Chloe 111,265
- Charlotte 88,733
- Caitlin 28,931
- Courtney 23,162
- Chelsea 13,049
- Clara 9,435
- Connie 8,402
- Catherine 8,376
- Charlie 7,964
- Cerys 7,506
- Casey 7,018
- Cara 6,375
FAQ
Caelainn: questions and answers
What is the meaning and origin of Caelainn?
A feminine given name of Irish origin meaning "slender" or "fair".
Where is Caelainn most common?
In the latest published local rankings, Caelainn ranks best in Northern Ireland, where it placed #286 in 2002. 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.