Dyllon
Masculine · “Great tide”
Dylan is a name out of Welsh legend belonging to a child who is born, is baptized, and immediately takes to the sea and swims away, never to appear again. He gets four sentences in the whole of the medieval literature and has been a popular name for sixty years on the strength of them.
How old is the name Dyllon?
Dyllon first appears in US birth records in 1987 — 38 years ago. The typical Dyllon alive today was born around 1999, making them about 26 years old. About 1,200 people named Dyllon are estimated to be alive in the US today.
When was the name Dyllon most popular?
Dyllon peaked in 1992, reaching #1097 nationally. See the whole 1992 chart.
Where it comes from
From Dylan to Dyllon
The story of Dyllon
In the fourth branch of the Mabinogi, a woman is made to step over a magician's rod to prove she is a virgin and gives birth to two boys in the process. The first is named Dylan, is baptized, and at once makes for the sea, where he swims as well as any fish; the text says no wave ever broke beneath him. He is killed later by his uncle, by mistake, and the sea is said to have mourned. That is the whole of him. The name was almost unused until a Welsh poet took it in the twentieth century, and an American musician then took his surname from that poet, or from a Welsh relative, or from a marshal on a television show, depending on which of his own accounts you believe. He has given several and contradicted most of them.
Meaningscholars disagree
Great tide, or sea son
The Welsh joins a word usually read as sea or flood to an element argued over. The medieval text itself supplies a gloss, which is a warning rather than evidence, since medieval writers explained names the way everybody did then, by whatever sounded right. The sea half is secure; the rest is not, and the double-l spelling here changes nothing about either.
How the name formed
- Dylan
- Dyllon
Related forms: Dylan
Pronouncing Dyllon
DIL-un
Two syllables with the stress at the front. Welsh says it closer to DUH-lan, with the y as the vowel Welsh writes that way; the American pronunciation follows the English reading of the letters rather than the Welsh one.
Nicknames for Dyllon
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1987
- Most boys named
- 1992100 — the highest on record
- Peak rank
- #1097reached in 1992
- Change vs 2022
- 0.0%7 in 2023, from 7
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Dyllon in other languages
The same name elsewhere
- Dylan in Welsh — same name
Dyllons among us
people named Dyllon are estimated to be alive in the US today
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
Questions parents actually ask
Fashion outlook
Dyllon sits outside the current charts, and that is its own kind of answer: naming cycles can only date the names they carried up. A name this rare has no decade stamped on it — it cannot go out of fashion, because it was never in.
Based on 146 years of naming cycles. How we read them
The trade-off
- The spoken name is entirely established and needs no explaining anywhere.
- It has a genuine literary source in one of the oldest bodies of writing in Britain.
- The doubled l keeps the first vowel short, which the single-l spelling leaves slightly open.
- Dylan is the standard spelling by a wide margin and this one will be read as a slip.
- Dillon and Dillan also exist, so there are four spellings in circulation for one sound.
- The name is closely tied to two twentieth-century figures, and both associations are strong.
Nobody names a baby alone.
Put Dyllon to the vote.
Add it to a family vote or a couple’s swipe deck — the other person gets one card, a simple answer and room to say why. No app, no account for them.
Only the people you invite can see your list.
Already decided on Dyllon? Hide it among decoys and let them guess.
What they receive
Someone added a name to your list
Dyllon
Masculine
Frequently asked
- How many Dyllons are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 1,200 people named Dyllon are estimated to be alive in the US today.
- How popular is the name Dyllon in 2025?
- Dyllon is rarely given in the US today — it does not rank in the top 2000 boy names.
- Will my child share the name Dyllon with classmates?
- Dyllon will almost certainly be the only one in school.
More D names
The most-given names starting with D, all years combined.
David#35 · Daniel#22 · Donald#690 · Dennis#707 · Douglas#807 · Dylan#41 · Danny#628 · Dale#1409
Looking for what else is popular rather than what resembles Dyllon? See the current top 100.
Choosing between Dyllon and another name?
See them side by side — full stats, history and a gentle verdict.
Compare side by sideIn a hurry? Just pick a winner — one tap, no sign-up, and you see how everyone else voted.
Weighing a whole shortlist? Add the rest in the builder, or settle it with a bracket.
Cast your vote
Which one would you pick?
Your gut first, the numbers after — the split shows once you pick.
US figures from the Social Security Administration. 1880–2025. Data & methodology
No advertising trackers and no data sellinghow we handle your dataindependent and founder-run, about Name Battle