Keylon
An invented English name, perhaps derived from the words "key" and "lion".
Name Census estimates that about 463 living Americans carry the first name Keylon. The name is used almost exclusively for boys. The average person named Keylon today is around 22 years old, and the year with the single highest number of Keylon births was 2003 (22 babies).
This page is the full Name Census profile for Keylon. 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.
People living today
463
~ 1 in 740,290 Americans
Peak year
2003
22 babies that year
Average age
22
years old
2024 SSA rank
#7,032
Tracked since 1978
Popularity
Keylon: popularity over time
The SSA tracks Keylon from the 1970s through to the 2020s, spanning 6 decades of birth certificate data. The biggest single decade for the name was the 2000s, with 162 total registrations. Usage has dropped considerably from its 2000s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Keylon 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 Keylon during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Keylons live
Origin
Meaning and history of Keylon
The name Keylon is believed to have originated from the ancient Celtic culture, with roots tracing back to the early medieval period, around the 5th to 8th centuries AD. It is thought to be derived from the combination of the Celtic words "cail" meaning "slender" and "un" meaning "one" or "unique." Together, these words formed the name "Cailun," which later evolved into the modern spelling of Keylon.
This name was particularly prevalent in the regions of what is now modern-day Ireland, Scotland, and parts of Wales. It was commonly used among the Celtic tribes and clans that inhabited these areas during the early medieval era. The earliest recorded instances of the name Keylon can be found in ancient Celtic manuscripts and historical documents from this time period.
One notable historical figure bearing the name Keylon was Keylon of Iona, a renowned Celtic monk and scholar who lived in the 7th century AD. He was a prominent figure in the monastic community on the Isle of Iona, which was a center of learning and religious study during that era.
Another significant figure was Keylon the Bard, a celebrated poet and storyteller from the 9th century AD who hailed from the Celtic kingdoms of what is now Scotland. His works, which were passed down through oral tradition, are considered important cultural artifacts that provide insights into the Celtic way of life and traditions of that time.
In the 11th century, Keylon ap Gwynedd was a influential Welsh prince and military leader who played a pivotal role in the battles against the Norman invaders. His bravery and strategic prowess earned him a place in the annals of Welsh history.
During the 12th century, there was a notable figure named Keylon the Scribe, who was renowned for his exceptional calligraphic skills and his contributions to the preservation of ancient Celtic manuscripts and texts.
Lastly, in the 14th century, Keylon O'Neill was a powerful Irish chieftain and leader of the O'Neill clan in Ulster. He was known for his fierce resistance against the English rule and his unwavering defense of Irish sovereignty and cultural traditions.
These are just a few examples of notable figures throughout history who bore the name Keylon, demonstrating its deep roots in the Celtic culture and its enduring presence across various regions and time periods.
People
Keylon + last name combinations
How many people share a full name with Keylon 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
Keylon: questions and answers
How many people in the U.S. are named Keylon?
Name Census puts the figure at roughly 463 living Americans. We arrive at this by taking every SSA birth registration for Keylon 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 740,290 US residents.
Is Keylon a common name?
We classify Keylon as "Very Rare". It ranks above 83.8% of all first names in the SSA dataset by living bearers. Across the full history of the data, 471 babies have been registered with this name.
When was Keylon most popular?
The single biggest year for Keylon was 2003, when 22 babies received the name. The fact that the average living Keylon is about 22 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Keylon a male name?
Yes, 100.0% of people registered as Keylon in the SSA data are male. 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.