Dylenn
An invented French feminine name potentially meaning "worthy guardian".
Name Census estimates that about 5 living Americans carry the first name Dylenn. The name is used almost exclusively for boys. The average person named Dylenn today is around 13 years old, and the year with the single highest number of Dylenn births was 2013 (5 babies).
This page is the full Name Census profile for Dylenn. 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 Dylenn. It is among the rarest names in the SSA records.
People living today
5
~ 1 in 68,550,868 Americans
Peak year
2013
5 babies that year
Average age
13
years old
2013 SSA rank
#12,663
Tracked since 2013
Popularity
Dylenn: popularity over time
Babies born per year
Decades
Dylenn 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 Dylenn during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
| Decade | Male | Female | Total |
|---|---|---|---|
| 2010s | 5 | 0 | 5 |
Origin
Meaning and history of Dylenn
The name Dylenn has its origins in the ancient Brythonic Celtic language, which was spoken in parts of modern-day Wales, England, and Brittany during the Iron Age and Roman period. It is derived from the Proto-Celtic root *dūlīs, meaning "dark" or "swarthy," and was likely used to describe someone with a darker complexion or hair color.
While the exact origins of the name are unclear, it is thought to have emerged as a personal name among the Britons, a Celtic people who inhabited the island of Great Britain during the Roman conquest. The earliest recorded use of the name can be traced back to a 6th-century Welsh genealogy, which mentions a figure named Dylenn ap Cadell, a prince of the ancient Welsh kingdom of Dyfed.
In the medieval period, the name Dylenn appeared in various Welsh and Breton literary works, including the Mabinogion, a collection of Welsh mythology and folklore. One notable figure was Dylenn ferch Cynfyn, a 12th-century Welsh noblewoman and patron of the arts, who commissioned several important manuscripts and works of literature.
Throughout history, the name Dylenn has been borne by several notable individuals, including Dylenn ab Owain (c. 1280-1345), a Welsh nobleman and military leader who fought in the Wars of Scottish Independence; Dylenn de Rosmorduc (1415-1482), a Breton knight and courtier; and Dylenn Glyndwr (c. 1490-1560), a Welsh bard and historian known for her writings on the life of Owain Glyndŵr, the legendary Welsh prince and rebel leader.
In more recent times, Dylenn Vaughan (1878-1944) was a Welsh author and educator who wrote extensively on Welsh culture and language preservation, while Dylenn Thomas (1914-1953) was a renowned Welsh poet and writer, best known for his works such as "Under Milk Wood" and "Do not go gentle into that good night."
Despite its ancient origins and historical significance, the name Dylenn remains relatively uncommon in modern times, perhaps due to its unique spelling and pronunciation. However, it continues to hold cultural and linguistic significance as a link to the rich heritage of the Celtic peoples of Britain and Brittany.
People
Dylenn + last name combinations
How many people share a full name with Dylenn as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with D
Other first names starting with D with a similar number of bearers.
FAQ
Dylenn: questions and answers
How many people in the U.S. are named Dylenn?
Name Census puts the figure at roughly 5 living Americans. We arrive at this by taking every SSA birth registration for Dylenn 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 68,550,868 US residents.
Is Dylenn a common name?
We classify Dylenn as "Very Rare". It ranks above 18.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 5 babies have been registered with this name.
When was Dylenn most popular?
The single biggest year for Dylenn was 2013, when 5 babies received the name. The fact that the average living Dylenn is about 13 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
What does the SSA popularity chart show?
The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Dylenn in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Dylenn a male name?
Yes, 100.0% of people registered as Dylenn 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.
Is Dylenn still being used today?
Yes. The SSA still recorded Dylenn in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.
Why can a name have a lot of living bearers even if it is not trendy now?
Because living-bearer counts and current baby-name popularity measure different things. A name like Dylenn can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.
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.
Does every first name have Census demographic data?
No. The public Census first-name release only covers names that met the Bureau's publication rules, so many rarer names in the SSA files do not have a published Census demographic snapshot. In those cases, the page still shows the SSA trend, gender history, and state data.
How many people are called Dylenn?
For a quick modern estimate, our sister site HowManyOfMe.org answers that in one glance, with the living-bearer count front and centre.