How popular is the name Delio in 2025?

Delio is rarely given in the US today — it does not rank in the top 2000 boy names.

When was the name Delio most popular?

Delio peaked in 1963, reaching #3318 among US boy names.

Delio will almost certainly be the only one in school.

boy name

Delio entered the US charts in 1915, peaked at #3318 in 1963, is rarely given today — a rare gem few children share.

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rank today

#3318

peak (1963)

babies in 2025

rare

a rare gem few children share

Fewer than a hundred people named Delio are estimated to be alive in the US today — a true one-of-a-kind name.

The typical Delio alive today was born around 1974, making them about 51 years old.

Estimated from official SSA birth records and life tables.

How popular is the name Delio in 2025?: Delio is rarely given in the US today — it does not rank in the top 2000 boy names.
When was the name Delio most popular?: Delio peaked in 1963, reaching #3318 among US boy names.
Will my child share the name Delio with classmates?: Delio will almost certainly be the only one in school.

Put them head to head — full stats, history and a verdict.