Boys' name · since 1915
Delio
Since 1915, U.S. Social Security records show 98 babies named Delio, peaking in 1973. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #17,522 of 45,481
- all-time among boys
- 98
- born since 1915
- 1970s
- peak decade
Delio is not among the current top-ranked boys names; 98 have been recorded since 1915.
Delio has 98 recorded births among boys since 1915, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1970s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1915 to 2010.
- #17,522 of 45,481 all-time among boys
- 98 born since 1915
- 1970s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Delio ranks #17,522 of 45,481 boys' names by all-time recorded births (highest first). 98 born since 1915, peaking in the 1970s.
- #17,522 of 45,481
- all-time among boys
- 98
- born since 1915
- 1970s
- peak decade
Delio's 98 recorded births place it above 61.35% of the 45,481 boys names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Delio's usage pattern, beyond the headline number
Divide Delio's SSA record in two at 1985 and the more recent half accounts for 50% of all births, the earlier half the remaining 50%, a genuinely balanced usage pattern. Its calmest year was 1931, with only 5 births recorded -- set against the 1973 peak of 9, that's the full swing in one name's fortunes.
Delio popularity over time
Annual U.S. births registered with the Social Security Administration · 1915–2010
- Peak year (1973)
- 9
- Annual births at peak, across 96 years of records
Delio by decade
1970s is the heaviest window (20 births, 20% of the file).
1970s was Delio's strongest decade.
20 babies received the name during that ten-year window, about 20% of all-time use.
Delio births by decade
Total births in each ten-year window
- 1910s 6
1910s
6 births
- 1920s 6
1920s
6 births
- 1930s 5
1930s
5 births
- 1950s 5
1950s
5 births
- 1960s 7
1960s
7 births
- 1970s
1970s
20 births
- 1980s
1980s
13 births
- 1990s
1990s
13 births
- 2000s
2000s
18 births
- 2010s 5
2010s
5 births
What this shows Peak: 1970s at 20 births (20% of all-time use).
Frequently Asked Questions
How popular is the name Delio? ▼
Where does Delio sit in the SSA name archive? ▼
When was Delio most popular? ▼
How long has the name Delio been used? ▼
What names are similar to Delio? ▼
What to do with Delio's data
- Delio's decade-level peak was the 1970s (20 total births); usage has since declined to 5 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Delio
Nearby Names Like Delio
Names with a similar sound, spelling, or feel to Delio
Compare Delio side by side: Delio vs Delbert Delio vs Delmar Delio vs Delmer
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Delio: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1973)
Similar record span (~95 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1915–2010 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Delio draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.