Boys' name · since 1881

Cap

Since 1881, U.S. Social Security records show 104 babies named Cap, peaking in 1885. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#17,134 of 45,481
all-time among boys
104
born since 1881
1910s
peak decade

Cap sits outside today's top ranks for boys, with 104 recorded since 1881.

According to the U.S. Social Security Administration, Cap has been recorded 104 times among boys since 1881, though it is not among the currently most-used boys names, with its heaviest use in the 1910s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1881 to 2024.

  • #17,134 of 45,481 all-time among boys
  • 104 born since 1881
  • 1910s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Cap ranks #17,134 of 45,481 boys' names by all-time recorded births (highest first). 104 born since 1881, peaking in the 1910s.

#17,134 of 45,481
all-time among boys
104
born since 1881
1910s
peak decade
Below the archive median
All-time archive position

Cap's 104 recorded births place it above 62.21% 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.

Cap's usage pattern, beyond the headline number

Splitting Cap's full recorded timeline at 1917, 48% of its total births fall in the more recent half of the record versus 52% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1888, with just 5 recorded births -- worth weighing against the 1885 peak of 9 to see the full range of the name's swing in popularity.

Cap popularity over time

Annual U.S. births registered with the Social Security Administration · 1881–2024

Last recorded 2024
Peak year (1885)
9
Annual births at peak, across 144 years of records
45678910 1881189119001917192020132024 5

Cap by decade

1910s is the heaviest window (24 births, 23% of the file).

1910s was Cap's strongest decade.

24 babies received the name during that ten-year window, about 23% of all-time use.

Cap births by decade

Total births in each ten-year window

births

What this shows Peak: 1910s at 24 births (23% of all-time use).

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

Frequently Asked Questions

How popular is the name Cap?
104 babies have been named Cap since 1881. All-time, it sits at #17,134 of 45,481 boys' names by recorded births. It was last recorded in 2024. The peak year was 1885 with 9 births.
Where does Cap sit in the SSA name archive?
According to the U.S. Social Security Administration, Cap ranks #17,134 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 Cap most popular?
Cap was most popular in the 1910s decade with 24 total births. The single peak year was 1885.
How long has the name Cap been used?
Cap has been recorded in Social Security data since 1881, spanning 144 years of data through 2024.
What names are similar to Cap?
Names with a similar sound or spelling include Captain, Capone, Caprice, Capri, and 4 more. These share a common prefix and are also used for boys.

What to do with Cap's data

  • Cap's usage has stayed within range of its 1910s decade-level peak (24 total births) through the 2020s (13) -- a comparatively stable name, not a fading trend.

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Cap

Nearby Names Like Cap

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Cap: 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, 1881–2024 (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 Cap 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.