Total births
104
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.
- #12370
- among boys today
- 104
- born since 1881
- 1910s
- peak decade
- 13%
- more common than other boys
104 babies have been named Cap since 1881, making it today's #12370 boys' name.
According to the U.S. Social Security Administration, Cap has been recorded 104 times among boys since 1881, currently ranked #12370 nationally and more common than 13% of boys, 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.
- #12370 among boys today
- 104 born since 1881
- 1910s peak decade
- 13% more common than other boys
Data updated Jun 2026
The verdict
Cap is currently the #12370 boys' name in America, more common than 13% of boys - 104 born since 1881, peaking in the 1910s.
- #12370
- among boys today
- 104
- born since 1881
- 1910s
- peak decade
- 13%
- more common than other boys
Cap vs. every other boys name in current SSA rankings
#12370
of 14,294 boys in use
More common than 13% of names given to boys today.
1910s
Peak decade
23% of everyone ever named Cap was born in this single decade.
1885
Single peak year
9 babies were named Cap in 1885 - its busiest year on record.
How Cap compares
104 27th percentile among 14,294 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Cap's all-time total is 72% below the median boys name, and Liam still leads by a wide margin.
| Metric | Cap | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 104 | 367 | 358,536 |
| Peak-year births | 9 | 23 | 22,252 |
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 at a glance
Outside the top 1,000Peak year
1885
Current rank
#12,370
Active since
1881
Cap popularity over time
Annual U.S. births registered with the Social Security Administration · 1881–2024
- Peak year (1885)
- 9
- Annual births at peak, across 144 years of records
Cap by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1880s
1880s
20 births
- 1890s
1890s
16 births
- 1900s
1900s
11 births
- 1910s
1910s
24 births
- 1920s 5
1920s
5 births
- 1930s 5
1930s
5 births
- 1940s 5
1940s
5 births
- 2010s 5
2010s
5 births
- 2020s
2020s
13 births
What this shows Peak: 1910s at 24 births (23% of all-time use).
Frequently Asked Questions
How popular is the name Cap? ▼
104 babies have been named Cap since 1881. It currently ranks #12370 among boys. The peak year was 1885 with 9 births.
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.
- Weighing it against an alternative? Put two names side by side. Compare names
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
Captain Boy
#6840 466 births
Capone Boy
#13027 228 births
Caprice Boy
180 births
Capri Boy
#8539 128 births
Capers Boy
114 births
Compare Cap side by side: Cap vs Captain Cap vs Capone Cap vs Caprice
Related Names
Names with a similar popularity rank to Cap
Spurgeon #12369
1,451 births · Peak 1918
Ephram #12371
453 births · Peak 2006
Murdock #12368
340 births · Peak 2016
Marrion #12372
620 births · Peak 2009
Lewie #12367
870 births · Peak 1937
Page #12373
1,538 births · Peak 1920
Halsey #12366
413 births · Peak 1924
Waverly #12374
1,987 births · Peak 1951
Data Sources
Data as of June 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).
Cite this page
NameAlmanac Editorial. "Cap: #12370 Boys' Name - 104 Births, Peak 1885." NameAlmanac. Accessed via https://namealmanac.com/name/cap. Licensed CC BY-SA 4.0.
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 June 2026.