Dillan
Meaning
"great tide, sea flow"
Origin: Welsh
Cultural Roots
Quick Stats
- Popularity Rank
- #2,887
- Total SSA Count
- 44
- Syllables
- 2
- Formality
- Moderate
- Nicknames
- Dill
Baby Name Comparison — 2026
"great tide, sea flow"
Origin: Welsh
"sun"
Origin: Greek
Dillan is more popular, ranked #2887 vs #2905 for Helios.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
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Dillan is more popular, ranked #2887 compared to Helios at #2905 in the United States.
Dillan means "great tide, sea flow" (Welsh origin). Helios means "sun" (Greek origin).
Dillan is primarily a boy name. Helios is primarily a boy name.