Dillan
- Pronunciation
- [Di-llan]
- Gender
- Male
- Meaning
- Sea God. Variant Of Dylan
- Origin
- Welsh
About the Name Dillan
Dillan is a Welsh-rooted name and a variant of Dylan, the storied name borne in Welsh mythology by a sea-god figure, often interpreted in connection with "the sea" or "son of the sea." The doubled-l spelling gives this lyrical name a distinctive look while keeping its evocative, ocean-touched heritage and its soft, flowing sound. It is a name with both poetry and personality built in.
The name carries the mythic resonance of the Welsh tradition, where Dylan was a figure tied to the waves and the tides. Dillan offers a personalized take on that legacy, appealing to parents who want a name with depth and music as well as a contemporary, individual spelling. Its blend of legend and modern flair places it among the names that honor old traditions while still feeling fresh, giving it a gentle but memorable character. The doubled-l spelling marks it as a deliberate, individual choice while keeping the soft, sea-touched music that has made the Dylan family so enduringly popular.
Dillan first entered the US Social Security top-1000 in 2000 and appeared through 2010, reaching its peak in 2004 at rank #667. It registered 200 births in 2010 at rank #985, with 283 in 2009 at #793 and 241 in 2008 at #877, reflecting a steady presence through the 2000s before it slipped from the top-1000. Its blend of Welsh heritage, sea-touched meaning, and distinctive spelling makes it a melodic, characterful choice.
Source: U.S. Social Security Administration name data, 1880–2024 (methodology). By Marvin Tang.
Quick Facts About Dillan
US Popularity History (2000–2010)
Annual US births named Dillan by gender, from US Social Security Administration records. Peak year: 2004 with 306 boys named Dillan (boy rank #667 that year).
Where it stands today: in 2010, ranked #985 for boys (200 US births). That's 318 places below its 2004 peak.
Source: US Social Security Administration. Limitations: US birth-certificate data only; names appearing fewer than 5 times in a given year are suppressed for privacy; spelling variants are counted separately. For names that ranked outside the US top 100 before year 2000, only the years they reached the top 100 are shown — the chart may have gaps for less-popular historical names.
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Compare Dillan to Other Popular Names
Side-by-side popularity charts and crossover years for Dillan against today's most popular boys-name peers (top 8 by US births in the last 10 years of SSA records).