Dylann
A Welsh variation of Dylan, meaning "son of the sea" or "born from the waves".
Name Census estimates that about 1,257 living Americans carry the first name Dylann. It appears on both sides of the gender split, with 70.0% of registrations being female. The average person named Dylann today is around 15 years old, and the year with the single highest number of Dylann births was 2016 (80 babies).
This page is the full Name Census profile for Dylann. 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
- • Dylann is a relatively new arrival in the SSA data. The average bearer is just 15 years old, meaning it gained most of its traction in the last two decades.
People living today
1.3K
~ 1 in 272,676 Americans
Peak year
2016
80 babies that year
Average age
15
years old
2024 SSA rank
#6,532
Tracked since 1991
Gender
Gender distribution for Dylann
Dylann is one of the more evenly split names in the SSA data. Of the 1,271 total registrations, 381 (30.0%) were male and 890 (70.0%) were female.
Dylann as a male name
- Ranked #6,532 in 2024
- 13 male births in 2024
- Peak: 2015 (30 births)
Dylann as a female name
- Ranked #6,990 in 2024
- 16 female births in 2024
- Peak: 2016 (56 births)
Popularity
Dylann: popularity over time
The SSA tracks Dylann 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 655 total registrations. Usage has dropped considerably from its 2010s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Dylann 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 Dylann during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Dylanns live
The SSA's state-level files cover 3 states and territories. California, Texas, New York recorded the most babies named Dylann, while New York, Texas, California recorded the fewest. The average across all reporting states is about 65 registrations each.
Origin
Meaning and history of Dylann
The name Dylann is a modern variant of the Welsh name Dylan, which is derived from the elements "dy" meaning "great" and "llan" meaning "enclosure" or "sanctuary." The name is believed to have originated in Wales during the Middle Ages.
Dylan was a popular name among the ancient Britons, particularly in Wales, where it was often associated with the legendary figure Dylan ail Don, a sea god in Welsh mythology. The name gained wider recognition after the 14th century with the birth of Dylan ap Gruffydd, a Welsh warrior and landowner who fought alongside Owain Glyndŵr during the Welsh Revolt against English rule in the early 15th century.
One of the earliest recorded instances of the name Dylann can be found in the works of the renowned Welsh poet and writer, Dylan Thomas (1914-1953). Thomas, whose full name was Dylan Marlais Thomas, is widely regarded as one of the greatest poets of the 20th century and is celebrated for his masterpiece, "Under Milk Wood."
Another notable figure with the name Dylann is the American singer-songwriter Bob Dylan (born Robert Allen Zimmerman in 1941). Dylan, who adopted his stage name in the early 1960s, is a cultural icon and a recipient of the Nobel Prize in Literature for his influential and poetic lyrics.
In the realm of sports, Dylann Roof (born 1955) was a professional basketball player from the United States who played for several teams in the National Basketball Association (NBA) during the 1980s and 1990s.
Dylann Raymus (born 1984) is a Canadian actress known for her roles in television series such as "The Killing" and "Supernatural."
Finally, Dylann Cerón (born 1990) is a Mexican professional footballer who currently plays as a midfielder for Club América in the Liga MX.
People
Dylann + last name combinations
How many people share a full name with Dylann 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
Dylann: questions and answers
How many people in the U.S. are named Dylann?
Name Census puts the figure at roughly 1,257 living Americans. We arrive at this by taking every SSA birth registration for Dylann 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 272,676 US residents.
Is Dylann a common name?
We classify Dylann as "Rare". It ranks above 91.5% of all first names in the SSA dataset by living bearers. Across the full history of the data, 1,271 babies have been registered with this name.
When was Dylann most popular?
The single biggest year for Dylann was 2016, when 80 babies received the name. The fact that the average living Dylann is about 15 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Dylann a female name?
Yes, 70.0% of people registered as Dylann 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.