Boys' name · since 1924
Guilio
26 babies named Guilio in U.S. Social Security records since 1924, with the highest year being 1927. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #26,931 of 45,481
- all-time among boys
- 26
- born since 1924
- 1920s
- peak decade
26 boys have been named Guilio since 1924, though it isn't currently a top-ranked name.
Social Security Administration records show Guilio recorded 26 times among boys since 1924, though it doesn't currently rank among the most-used boys names, peaking in the 1920s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1924 to 1941.
- #26,931 of 45,481 all-time among boys
- 26 born since 1924
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Guilio ranks #26,931 of 45,481 boys' names by all-time recorded births (highest first). 26 born since 1924, peaking in the 1920s.
- #26,931 of 45,481
- all-time among boys
- 26
- born since 1924
- 1920s
- peak decade
Guilio's 26 recorded births place it above 40.35% of the 45,481 boys names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Guilio's usage pattern, beyond the headline number
Guilio splits its recorded history at 1928: 46% of all births land in the more recent half, 54% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1924 (6 births) -- compare that against the 1927 peak of 8 for a sense of just how much the name's popularity has swung.
Guilio popularity over time
Annual U.S. births registered with the Social Security Administration · 1924–1941
- Peak year (1927)
- 8
- Annual births at peak, across 18 years of records
Guilio by decade
1920s is the heaviest window (20 births, 77% of the file).
1920s was Guilio's strongest decade.
20 babies received the name during that ten-year window, about 77% of all-time use.
Guilio births by decade
Total births in each ten-year window
- 1920s
1920s
20 births
- 1940s 6
1940s
6 births
What this shows Peak: 1920s at 20 births (77% of all-time use).
Frequently Asked Questions
How popular is the name Guilio? ▼
Where does Guilio sit in the SSA name archive? ▼
When was Guilio most popular? ▼
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What to do with Guilio's data
- Guilio's decade-level peak was the 1920s (20 total births); usage has since declined to 6 in the 1940s -- 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 Guilio
Nearby Names Like Guilio
Names with a similar sound, spelling, or feel to Guilio
Compare Guilio side by side: Guilio vs Guillermo Guilio vs Guido Guilio vs Guilford
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Guilio: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1927)
Similar record span (~17 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, 1924–1941 (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 Guilio 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.