Name Generator
How popular is the name Caitlyn?
Births per year, rank history and how many Caitlyns are alive today.
Caitlyn (female) is a rare spelling of the girls' name Caitlin in England and Wales, ranked 1315th in 2025 and given to 24 babies. This spelling of the name peaked in 2005, when 353 babies were given the name, the 144th most popular that year. It has declined since 2005; the 2025 figure is roughly 7% of its peak. At least 5,300 babies have been named Caitlyn in England and Wales since 1996.
Across all spellings of the name, the Caitlin you are most likely to meet is around 23 years old. Half of all Caitlins born in England and Wales are between 18 and 27, and there are at least 46,000 of them alive today. If you walk into a room of 100 females, there's roughly a 14% chance that at least one of them will be called Caitlin.
How many babies are named Caitlyn each year?
Includes all spellings: Caitlyn, Caitlin, Kaitlin, Kaitlyn. Figures before 1996 are estimates.
Where does the Caitlyn spelling rank?
Where does the Caitlin spelling rank?
Where does the Kaitlin spelling rank?
Where does the Kaitlyn spelling rank?
Where this data comes from
Figures from 1996 onwards are the Office for National Statistics' annual baby-name registrations for England and Wales, which record every name given to three or more babies in a year. Figures before 1996 are estimates: the ONS published only top-100 rankings at ten-year intervals back to 1904, so counts for those years are modelled from the rankings, calibrated against Douglas Galbi's long-run research into English name frequencies, and shown with an uncertainty band. Estimates of living bearers combine these birth figures with national life tables and ONS mid-year population estimates.
One limit worth naming: these figures count names as registered at birth. Anyone who changes their name later in life - including trans people, and anyone who adopts a different name by deed poll or simply by use - is not reflected here. Birth registrations record where a name began, not the name a person lives with.
Common questions
When was the name Caitlyn most popular?
The most popular form of the name, Caitlin, peaked in 2003, when 3,113 babies in England and Wales were given the name. The Caitlyn spelling itself peaked in 2005, with 353 babies.
How many people are called Caitlyn?
At least 46,000 people named Caitlyn in any spelling born in England and Wales are alive today.
How old is the typical Caitlyn?
Most living Caitlyns are between 18 and 27; the most common age is about 23.
Is Caitlyn becoming more or less popular?
Declining: recent figures are a fraction of the 2003 peak.