Declining since 2000, #7,194 for boys today.
Popularity of Dyllan since 1986
Babies named Dyllan per year in U.S. Social Security records.
Data table (by decade)
| Decade | Girls | Boys |
|---|---|---|
| 1980s | 0 | 38 |
| 1990s | 71 | 1,199 |
| 2000s | 185 | 1,363 |
| 2010s | 199 | 587 |
| 2020s | 45 | 115 |
Meaning & origin
Dyllan is a creative respelling of Dylan, a name deeply rooted in Welsh mythology. While the standard Dylan has been a popular choice for decades, Dyllan offers a distinctive twist that peaked in 1999 when it reached its highest rank. Since 2000, its usage has been falling, reflecting a broader trend away from unique spellings. In 2025, the name ranked 7,194, with approximately 1 in every 155,280 baby boys receiving the name. Despite its decline, Dyllan remains a recognizable alternative that connects to a rich cultural and mythological heritage.
Dyllan is a modern respelling of Dylan, a traditional Welsh name derived from the elements 'dy' (great) and 'llynn' (sea), giving the meaning 'son of the sea' or 'born from the ocean'. In Welsh mythology, Dylan was the sea god, the son of Arianrhod. The name gained popularity in the United States in the 1970s and 1980s, and creative spellings like Dyllan emerged as parents sought distinctive variations.
Nicknames & variants
Nicknames: Dyl
Sibling names for Dyllan
Names that share Dyllan's style, for a brother or sister.
