UK girl's name
Katlyn
A feminine name of English origin, a variant spelling of Katelyn or Caitlyn.
For 2026, the newest official UK baby-name figures on this page are from 2017. That release is the current official benchmark rather than a forecast.
Katlyn is a girl's name in the UK records. People looking for Katlyn popularity in 2026 should use the latest official release, which is 2017 in this profile. In that release it ranked #4063, with 5 babies registered with the name. Its strongest year in the published records was 2001, with 22 births.
This profile covers 219 England and Wales registrations across 19 recorded years from 1997 to 2017. The figures come from ONS England and Wales, NRS Scotland and NISRA Northern Ireland, 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.
The latest count is about 23% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 300 living people in the UK are called Katlyn. 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 2018 or 2026.
Key insights
- • Katlyn ranked #4063 for girls in England and Wales in 2017, with 5 registrations.
- • The name peaked in 2001, when 22 girls were registered as Katlyn.
- • Katlyn ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #413 in 2007.
- • About 300 living people in the UK are estimated to have Katlyn as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4063
2017
Births in 2017
5
Latest year
Peak year
2001
22 births
Estimated living
300
2026
Meaning
What does Katlyn mean?
The name Katlyn is derived from the Greek name Aikaterine, which in turn originated from the Greek words "katharos" meaning "pure" and "hekatos" meaning "each of the two hundreds." This name was later Latinized to Catherina and eventually evolved into Catherine, the French variation being Catheryn.
The name Katlyn is an English diminutive form of the name Catherine, with the addition of the suffix "-lyn," which is of Old English origin. This suffix was commonly used to create pet forms or diminutives of longer names, particularly in the Middle Ages.
Although the name Katlyn has its roots in Greek and Latin, it gained popularity in the English-speaking world, particularly in the United States and other English-speaking countries. The earliest recorded instances of the name Katlyn can be traced back to the late 19th century, although it did not become widely used until the 20th century.
One of the earliest known individuals with the name Katlyn was Katlyn Thomas (1884-1962), an American author and journalist who wrote several books on the American frontier and the Old West. Another notable figure was Katlyn Carter (1903-1987), a British politician and activist who campaigned for women's rights and social reforms.
In the world of literature, Katlyn Eriksen (1928-2002) was a Norwegian novelist and playwright who won the Nordic Council's Literature Prize in 1976 for her novel "The Circle of Life." Katlyn Radcliffe (1941-2017) was a renowned Australian artist known for her vibrant abstract paintings and her contributions to the modern art movement.
Another notable Katlyn was Katlyn Sinclair (1952-2010), a Canadian environmentalist and conservationist who dedicated her life to protecting the boreal forests of Canada and raising awareness about the impact of logging and resource extraction on these fragile ecosystems.
These are just a few examples of individuals who have carried the name Katlyn throughout history, each making their mark in various fields and contributing to the rich tapestry of human experience.
Sourced from namecensus.com.
Popularity
Katlyn over time
The chart below shows babies named Katlyn registered in England and Wales in the years where the name appears in the published records, from 1997 to 2017. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Katlyn, the clearest high point is 2001. The latest England and Wales figure is 5 births in 2017, compared with 22 at the peak.
Babies born per year
Decades
Katlyn by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Katlyn 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 |
|---|---|---|---|
| 2010s | #4095 | 37 | 6 |
| 2000s | #1558 | 155 | 10 |
| 1990s | #2200 | 27 | 3 |
Geography
Where Katlyn is most common
The bars show the latest published local birth counts for Katlyn. 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.
Katlyn ranks best in Northern Ireland in the latest published regional snapshot for that area, where it placed #413 in 2007.
Across the UK
Katlyn in Scotland and Northern Ireland
Scotland (NRS)
#666 in 2010
12 years of NRS records, 56 total registered
Northern Ireland (NISRA)
#413 in 2007
6 years of NISRA records, 27 total registered
Related
Names similar to Katlyn
- 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
Katlyn: questions and answers
How popular is the name Katlyn in the UK right now?
In 2017, Katlyn was ranked #4063 for girls in England and Wales, with 5 births registered.
When was Katlyn most popular?
The peak year on record was 2001, with 22 babies registered as Katlyn in England and Wales.
What is the meaning and origin of Katlyn?
A feminine name of English origin, a variant spelling of Katelyn or Caitlyn.
How many people are called Katlyn in the UK?
A total of 219 babies have been registered as Katlyn across the 19 years of ONS England & Wales records shown here, plus 56 more in Scotland and 27 in Northern Ireland.
Where is Katlyn most common?
In the latest published local rankings, Katlyn ranks best in Northern Ireland, where it placed #413 in 2007. 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.