Dyllan
#7,317 in 2025UnisexBoys' nameGirls' nameMeaning not yet documented
Dyllan has been given to 3,802 babies in the U.S. since 1986. In 2025 it ranked #7,317 of 13,926 boys’ names in use. Its peak year was 1999, with 181 recorded. It's used for both sexes: 87% boys, 13% girls all-time.
Babies named Dyllan, 2025
1 in 301,000
Dyllan over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
Girls or boys — Dyllan over time
In 2025, Dyllan went to 39% girls and 61% boys.
A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.
How common is Dyllan?
Everything below is computed from the 2025 data — the most recent year available.
- Among all babies, 2025
- 1 in 301,000
- 11 of 3,315,165 births
- Among boys only
- 1 in 155,000
- <0.01% of boys
- Rank, 2025
- #7,317
- of 13,926 boys’ names in use
- Coin-flip room size
- 208,901 kids
- Even odds of a second one
Where Dyllan sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 208,901 children born in 2025 and it's an even bet that one of them is another Dyllan. In a class of 30 the chance is Under 1%.
When Dyllans were born
Half of everyone ever recorded as Dyllan was born before 2002 — so the typical Dyllan is around 23 today.
- Biggest decade
- 2000s
- 41.3% of all use
- Born in the last 25 years
- 58.6%
- A modern name
- Recorded since 1950
- 3,302
- People you could plausibly meet
2000s — 41.3% of all recorded uses (1,363).
Is Dyllan rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- −376
- Places dropped
- Rank vs 5 years ago
- −3,273
- Places dropped
- Rank vs 10 years ago
- −4,703
- Places dropped
- Births vs 10 years ago
- 0.23×
- Fewer babies than then
- Share of its own peak
- 6.1%
- Peak was 1999 (181)
- Years since peak
- 26
- Years
- Year-to-year steadiness
- Shifting
- 21.1% average annual change
Spellings of Dyllan
Dyllan is not the most common spelling — Dylan is, with 50.2% against Dyllan's 0.40%.
Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.
Where Dyllan is used — boys
Across 1910–2025, Dyllan was most concentrated in Florida — about 1 in 33,333 boys, against 1 in 89,607 across all states with data. It was least common in Virginia (1 in —).
Most concentrated
- 1Florida1 in 33,333
- 2Arizona1 in 50,000
- 3California1 in 50,000
- 4Texas1 in 50,000
- 5Utah1 in 50,000
- 6Washington1 in 50,000
- 7Idaho1 in 100,000
- 8Illinois1 in 100,000
Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Dyllan has too little recent state data to map, so this covers all years from 1910.
Where Dyllan is used — girls
Across 1910–2025, Dyllan was most concentrated in California — about 1 in — girls, against 1 in 1,886,246 across all states with data. It was least common in Texas (1 in —).
Most concentrated
- 1California1 in —
- 2Texas1 in —
Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Dyllan has too little recent state data to map, so this covers all years from 1910.
Dyllan around the world
Where Dyllan ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.
- England & Wales1996–2019#4,702in 2019
- Scotland1994–2005#400in 2005
- France1993–2022#6,998in 2022
- Canada1991–2010#1,816in 2010
- South Australia1979–2013#499in 2013
Popularity data from Office for National Statistics, National Records of Scotland, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.
Dyllan by the numbers
The raw record for each sex the name is used for.
As a boy's name
Names similar to Dyllan
Matched on shared beginnings and endings, similar length, and comparable popularity.
Names with a curve like Dyllan
Not spelling — timing. These names rose, peaked and faded in the same years as Dyllan, so they read as being from the same moment even when they look nothing alike.
Sibling names for Dyllan
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.