UK girl's name
Kathlyn
A feminine name of Greek origin meaning "pure beauty" or "pure form".
For 2026, the newest official UK baby-name figures on this page are from 2004. That release is the current official benchmark rather than a forecast.
Kathlyn is a girl's name in the UK records. People looking for Kathlyn popularity in 2026 should use the latest official release, which is 2004 in this profile. In that release it ranked #3197, with 5 babies registered with the name. Its strongest year in the published records was 2004, with 5 births.
This profile covers 8 England and Wales registrations across 2 recorded years from 1998 to 2004. The figures come from ONS England and Wales and NRS Scotland, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.
Kathlyn is at its recorded peak in the England and Wales series.
We estimate that about 11 living people in the UK are called Kathlyn. 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 2005 or 2026.
Key insights
- • Kathlyn ranked #3197 for girls in England and Wales in 2004, with 5 registrations.
- • The name peaked in 2004, when 5 girls were registered as Kathlyn.
- • Kathlyn ranks best in Scotland in the latest published regional snapshot for that area, where it placed #565 in 1986.
- • About 11 living people in the UK are estimated to have Kathlyn as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#3197
2004
Births in 2004
5
Latest year
Peak year
2004
5 births
Estimated living
11
2026
Meaning
What does Kathlyn mean?
The name Kathlyn is a variant spelling of the English name Cathleen, which is derived from the Irish Gaelic name Caitlín. Caitlín is a diminutive form of the ancient Irish name Cáit, which comes from the Old Irish cáed meaning "pure."
The name Cáit has been used in Ireland since the early medieval period. One of the earliest recorded instances of the name is Saint Cáit, a 6th-century Irish princess and nun who founded a monastery in Inishcaltra. The spelling Kathlyn began appearing in the 19th century, likely influenced by the growing popularity of names with a "lyn" ending.
One of the earliest known bearers of the name Kathlyn was Kathlyn Williams (1879-1960), an American silent film actress who starred in several serials and feature films in the 1910s and 1920s. Another early Kathlyn was Kathlyn Hilliard (1900-1948), an American actress and dancer who appeared in Broadway musicals and Hollywood films in the 1920s and 1930s.
In the literary world, Kathlyn Michaels (1943-2012) was an American writer and editor who published several novels and short story collections. Kathlyn Gillette Hendricks (born 1945) is an American writer, teacher, and co-author of several books on relationships and conscious living.
In the field of science, Kathlyn Cooney (1922-2015) was an American chemist and educator who made significant contributions to the study of carbohydrate chemistry and mentored numerous students during her long career at the University of California, Berkeley.
Kathlyn is a name with deep roots in Irish history and culture, dating back to the early medieval period. Its variant spelling with the "lyn" ending emerged more recently, but the name has been borne by notable figures across various fields throughout the 20th century.
Sourced from namecensus.com.
Popularity
Kathlyn over time
The chart below shows babies named Kathlyn registered in England and Wales in the years where the name appears in the published records, from 1998 to 2004. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Kathlyn, the clearest high point is 2004. The latest England and Wales figure is 5 births in 2004, compared with 5 at the peak.
Babies born per year
Decades
Kathlyn by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Kathlyn was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.
| Decade | Average rank | Total births | Years covered |
|---|---|---|---|
| 2000s | #3197 | 5 | 1 |
| 1990s | #3848 | 3 | 1 |
Geography
Where Kathlyn is most common
The bars show the latest published local birth counts for Kathlyn. 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.
Kathlyn ranks best in Scotland in the latest published regional snapshot for that area, where it placed #565 in 1986.
Across the UK
Kathlyn in Scotland and Northern Ireland
Scotland (NRS)
#565 in 1986
1 years of NRS records, 3 total registered
Related
Names similar to Kathlyn
- Katie 53,185
- Keira 14,411
- Katherine 11,323
- Kayleigh 10,677
- Kate 10,276
- Kelsey 7,224
- Kiera 7,218
- Kayla 6,541
- Kirsty 6,384
- Khadija 5,948
- Kimberley 5,189
- Kaitlyn 5,137
FAQ
Kathlyn: questions and answers
How popular is the name Kathlyn in the UK right now?
In 2004, Kathlyn was ranked #3197 for girls in England and Wales, with 5 births registered.
When was Kathlyn most popular?
The peak year on record was 2004, with 5 babies registered as Kathlyn in England and Wales.
What is the meaning and origin of Kathlyn?
A feminine name of Greek origin meaning "pure beauty" or "pure form".
How many people are called Kathlyn in the UK?
A total of 8 babies have been registered as Kathlyn across the 2 years of ONS England & Wales records shown here, plus 3 more in Scotland.
Where is Kathlyn most common?
In the latest published local rankings, Kathlyn ranks best in Scotland, where it placed #565 in 1986. 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.