Boys' name · since 1915

Prospero

Since 1915, U.S. Social Security records show 71 babies named Prospero, peaking in 1928. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#19,758 of 45,481
all-time among boys
71
born since 1915
1920s
peak decade

Prospero sits outside today's top ranks for boys, with 71 recorded since 1915.

Prospero has 71 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 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1915 to 1975.

  • #19,758 of 45,481 all-time among boys
  • 71 born since 1915
  • 1920s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Prospero ranks #19,758 of 45,481 boys' names by all-time recorded births (highest first). 71 born since 1915, peaking in the 1920s.

#19,758 of 45,481
all-time among boys
71
born since 1915
1920s
peak decade
Below the archive median
All-time archive position

Prospero's 71 recorded births place it above 56.51% of the 45,481 boys names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Prospero's usage pattern, beyond the headline number

Splitting Prospero's full recorded timeline at 1928, 49% of its total births fall in the more recent half of the record versus 51% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1916, with just 5 recorded births -- worth weighing against the 1928 peak of 8 to see the full range of the name's swing in popularity.

Prospero popularity over time

Annual U.S. births registered with the Social Security Administration · 1915–1975

Last recorded 1975
Peak year (1928)
8
Annual births at peak, across 61 years of records
456789 191519161917192319241925192819291930193319471975 5

Prospero by decade

1920s is the heaviest window (33 births, 46% of the file).

1920s was Prospero's strongest decade.

33 babies received the name during that ten-year window, about 46% of all-time use.

Prospero births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 33 births (46% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

Frequently Asked Questions

How popular is the name Prospero?
71 babies have been named Prospero since 1915. All-time, it sits at #19,758 of 45,481 boys' names by recorded births. It was last recorded in 1975. The peak year was 1928 with 8 births.
Where does Prospero sit in the SSA name archive?
According to the U.S. Social Security Administration, Prospero ranks #19,758 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Prospero most popular?
Prospero was most popular in the 1920s decade with 33 total births. The single peak year was 1928.
How long has the name Prospero been used?
Prospero has been recorded in Social Security data since 1915, spanning 61 years of data through 1975.
What names are similar to Prospero?
Names with a similar sound or spelling include Prosper, Promise, Prophet, Proctor, and 4 more. These share a common prefix and are also used for boys.

What to do with Prospero's data

  • Prospero's decade-level peak was the 1920s (33 total births); usage has since declined to 5 in the 1970s -- 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 Prospero

Nearby Names Like Prospero

Names with a similar sound, spelling, or feel to Prospero

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Prospero: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

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, 1915–1975 (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 Prospero 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.