Dilan means son of the sea or faithful — the single-L variant of Dylan/Dillon, from the Welsh/Irish. In Welsh mythology, Dylan was a son of the sea-wave. Same sea-heritage, single-L streamlined. Two syllables of Welsh-sea-wave-son, faithful-heritage, and single-L streamlined distinction.
Dylan IS the son of the sea-wave in Welsh mythology.
Same sea heritage with single-L streamlining.
Two syllables with a smooth, Welsh sound: DIL-an.
The meaning sea/faithful bridges Welsh and Irish.
The single-L is distinctively streamlined.
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The vibe of Dilan
son of seafaithfulsingle-LDylanWelshIrishsea-wavemythologystreamlinedsmooth
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Origin & history of Dilan
Welsh Dylan (son of sea-wave)→single-L Dilan
1
Modern American roots
Dilan is the single-L variant meaning son of the sea. In Welsh mythology, Dylan was born of the sea-wave.
2
First recorded
Earliest known use: Single-L variant; Welsh mythology.
3
Today
Dilan remains a beloved choice, ranking #891 in the US. 5,827 babies have been named Dilan since 1980.
◈ Sources: Behind the Name, SSA data
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How popular is Dilan?
2024peak year
Dilan reached its widest reach during the 2020s. In 2024, 414 babies received the name (ranked #660). In the present decade it sits around #891, with about 268 babies given the name annually. Dilan has been trending upward in recent years. The all-time total comes to roughly 5,827 registrations.
Year-by-year registrations1880–2024 · U.S. Social Security data
Dilan's Life Path 5 is the adventurer's number — sea-wave adventure. People named Dilan tend to be smooth, faithful, and gifted at single-L Welsh sea distinction.
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Single-L Welsh sea
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Son-of-wave
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Faithful-streamlined
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Smooth distinction
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Irish-bridge
D4
I9
L3
A1
N5
Sum: 22 → Life path 4
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Personality of Dilan
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Steady & reliable
When they make a promise, they keep it.
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Methodical
Thorough, careful, precise.
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Quietly powerful
Their strength is always there when it matters.
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Grounded
No matter what swirls around them, they stay centred.
Every name has a homeland. Discover strong boy names rooted in cultures from around the world — each with full meanings, origin stories and pronunciation.