Delio
Boy nameDelio has been given to 98 babies in the U.S. since 1915. It peaked in 1973.
Popularity over time births per year, 1880–2025
Total babies
98
Peak year
1973 (9 babies)
Rank in 2025
Below top 1000
First recorded
1915
10-year trend
New / returning
Gender split
All boys
Spellings & variants
Names one letter away from Delio — alternate spellings parents actually use.
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Delio.
Sibling name ideas for Delio
Same era and popularity as Delio, avoiding matching initials or rhymes.
FAQ
How popular is the name Delio?
Delio has been given to 98 babies in the U.S. since 1915. It ranked below the top 1000 in 2025.
When did the name Delio peak?
Delio peaked in 1973, when 9 babies were given the name.
Is Delio a girl or boy name?
Delio is primarily a boy name (100% of babies named Delio are boys).
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