Deagan
Meaning
"black-haired, dark one"
Origin: Irish Gaelic
Cultural Roots
Quick Stats
- Popularity Rank
- #5,530
- Total SSA Count
- 17
- Syllables
- 2
- Formality
- Moderate
- Nicknames
- Dee, Deags
Baby Name Comparison — 2026
"black-haired, dark one"
Origin: Irish Gaelic
"olive tree"
Origin: Latin
Oliver is more popular, ranked #3 vs #5530 for Deagan.
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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Oliver is more popular, ranked #3 compared to Deagan at #5530 in the United States.
Deagan means "black-haired, dark one" (Irish Gaelic origin). Oliver means "olive tree" (Latin origin).
Deagan is primarily a boy name. Oliver is primarily a boy name.