Keylin
A feminine name of uncertain origin, possibly a variant of Kaylin.
Name Census estimates that about 1,427 living Americans carry the first name Keylin. It appears on both sides of the gender split, with 78.1% of registrations being female. The average person named Keylin today is around 13 years old, and the year with the single highest number of Keylin births was 2022 (88 babies).
This page is the full Name Census profile for Keylin. 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
- • Keylin is a relatively new arrival in the SSA data. The average bearer is just 13 years old, meaning it gained most of its traction in the last two decades.
People living today
1.4K
~ 1 in 240,192 Americans
Peak year
2022
88 babies that year
Average age
13
years old
2024 SSA rank
#3,298
Tracked since 1992
Gender
Gender distribution for Keylin
Keylin is one of the more evenly split names in the SSA data. Of the 1,441 total registrations, 315 (21.9%) were male and 1,126 (78.1%) were female.
Keylin as a male name
- Ranked #13,279 in 2024
- 5 male births in 2024
- Peak: 2014 (21 births)
Keylin as a female name
- Ranked #3,298 in 2024
- 48 female births in 2024
- Peak: 2022 (83 births)
Popularity
Keylin: popularity over time
The SSA tracks Keylin from the 1990s through to the 2020s, spanning 4 decades of birth certificate data. The biggest single decade for the name was the 2010s, with 631 total registrations. Although the numbers have come down from the 2010s peak, Keylin remains solidly in use and shows no sign of disappearing from maternity wards.
Babies born per year
Decades
Keylin 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 Keylin during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Keylins live
The SSA's state-level files cover 9 states and territories. Texas, California, New York recorded the most babies named Keylin, while Tennessee, Georgia, North Carolina recorded the fewest. The average across all reporting states is about 52 registrations each.
Origin
Meaning and history of Keylin
The given name Keylin has its origins rooted in the Gaelic language, with its earliest recorded use dating back to the 5th century AD in regions that are now part of modern-day Ireland and Scotland. The name is derived from the Old Irish word "caollinn," which translates to "slender" or "graceful." This linguistic connection suggests that Keylin may have been used to describe individuals with a lithe or svelte physical appearance.
While the name does not appear to have any direct references in ancient texts or religious scriptures, it was prevalent among the Celtic populations of the British Isles during the Middle Ages. One of the earliest recorded individuals with the name Keylin was Keylin of Kintyre, a Scottish noblewoman who lived in the 11th century and was known for her involvement in local affairs and charitable endeavors.
As the centuries passed, the name Keylin continued to be used, albeit with varying spellings such as Caoilfhionn, Caeilinn, and Keelin. In the 16th century, Keylin O'Connell, an Irish chieftain and military leader, gained recognition for his role in the Nine Years' War against English forces in Ireland.
During the 19th century, Keylin Calvert, an English painter and illustrator, achieved recognition for her striking depictions of landscapes and portraits. She was born in 1825 and her works were widely exhibited during her lifetime.
Another notable figure with the name Keylin was Keylin MacLaren, a Scottish novelist and poet who lived from 1878 to 1952. Her literary works often explored themes of love, loss, and the rugged beauty of the Scottish Highlands.
In more recent times, Keylin Deacon, born in 1961, was an Australian athlete who represented her country in the heptathlon event at the 1988 Summer Olympics in Seoul, South Korea.
People
Keylin + last name combinations
How many people share a full name with Keylin as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with K
Other first names starting with K with a similar number of bearers.
FAQ
Keylin: questions and answers
How many people in the U.S. are named Keylin?
Name Census puts the figure at roughly 1,427 living Americans. We arrive at this by taking every SSA birth registration for Keylin 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 240,192 US residents.
Is Keylin a common name?
We classify Keylin as "Rare". It ranks above 92.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 1,441 babies have been registered with this name.
When was Keylin most popular?
The single biggest year for Keylin was 2022, when 88 babies received the name. The fact that the average living Keylin is about 13 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Keylin a female name?
Yes, 78.1% of people registered as Keylin 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.