Catilyn
A feminine name of English origin meaning "pure, chaste".
Name Census estimates that about 92 living Americans carry the first name Catilyn. The name is used almost exclusively for girls. The average person named Catilyn today is around 27 years old, and the year with the single highest number of Catilyn births was 2002 (13 babies).
This page is the full Name Census profile for Catilyn. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
Key insights
- • Fewer than 100 living Americans are believed to carry the name Catilyn. It is among the rarest names in the SSA records.
People living today
92
~ 1 in 3,725,591 Americans
Peak year
2002
13 babies that year
Average age
27
years old
2008 SSA rank
#18,071
Tracked since 1989
Popularity
Catilyn: popularity over time
The SSA tracks Catilyn from the 1980s through to the 2000s, spanning 3 decades of birth certificate data. The biggest single decade for the name was the 2000s, with 51 total registrations. The name continues to be given at rates close to its all-time high, suggesting it has not yet fallen out of fashion.
Babies born per year
Decades
Catilyn by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Catilyn during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Origin
Meaning and history of Catilyn
The name Catilyn is a modern variant of the name Caitlin, which is derived from the Irish Gaelic name Caitlín. Caitlín is a diminutive form of the Irish name Cáit, which is a pet form of the old Irish name Cátan. The name Cátan likely originated from the Old Celtic word "catu-," meaning "battle" or "warrior."
In Irish mythology, Cátan was the name of a legendary warrior princess known for her bravery and prowess in battle. The name Cáit became popular in Ireland during the Middle Ages and was later anglicized to Katherine or Catherine.
The earliest recorded use of the spelling "Catilyn" dates back to the late 20th century, when it emerged as a modern variant of Caitlin. It is believed that the spelling change was influenced by the popularity of names ending in "-lyn" or "-linn" during that time period.
One notable historical figure with the name Catilyn is Catilyn Jenner, an American former Olympic gold medalist and television personality, born in 1949. Jenner won the decathlon event at the 1976 Summer Olympics in Montreal.
Another historical figure was Catilyn Frowick, a British artist and sculptor known for her intricate wood carvings, who lived from 1923 to 2011.
In the field of literature, Catilyn Blackwood was a renowned Irish poet and novelist born in 1957, known for her evocative depictions of rural life in Ireland.
Catilyn Harrington was an American civil rights activist and organizer who played a significant role in the desegregation of public schools in the southern United States during the 1960s.
Catilyn Rosenberg, born in 1945, was a pioneering computer scientist and one of the early developers of the ARPANET, a precursor to the modern internet.
While the name Catilyn is a relatively recent variant, its roots can be traced back to ancient Celtic and Irish traditions, evoking a sense of strength, bravery, and warrior spirit.
People
Catilyn + last name combinations
How many people share a full name with Catilyn as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with C
Other first names starting with C with a similar number of bearers.
FAQ
Catilyn: questions and answers
How many people in the U.S. are named Catilyn?
Name Census puts the figure at roughly 92 living Americans. We arrive at this by taking every SSA birth registration for Catilyn going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 3,725,591 US residents.
Is Catilyn a common name?
We classify Catilyn as "Very Rare". It ranks above 63.4% of all first names in the SSA dataset by living bearers. Across the full history of the data, 94 babies have been registered with this name.
When was Catilyn most popular?
The single biggest year for Catilyn was 2002, when 13 babies received the name. The fact that the average living Catilyn is about 27 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Catilyn a female name?
Yes, 100.0% of people registered as Catilyn in the SSA data are female. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.