Boys' name · since 1881

Cas

Since 1881, U.S. Social Security records show 181 babies named Cas, peaking in 2020. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#13,566 of 45,481
all-time among boys
181
born since 1881
2010s
peak decade

Cas sits outside today's top ranks for boys, with 181 recorded since 1881.

Cas has 181 recorded births among boys since 1881, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1881 to 2024.

  • #13,566 of 45,481 all-time among boys
  • 181 born since 1881
  • 2010s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Cas ranks #13,566 of 45,481 boys' names by all-time recorded births (highest first). 181 born since 1881, peaking in the 2010s.

#13,566 of 45,481
all-time among boys
181
born since 1881
2010s
peak decade
Below the archive median
All-time archive position

Cas's 181 recorded births place it above 70.1% 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.

Cas's usage pattern, beyond the headline number

Splitting Cas's full recorded timeline at 2007, 56% of its total births fall in the more recent half of the record versus 44% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1902, with just 5 recorded births -- worth weighing against the 2020 peak of 13 to see the full range of the name's swing in popularity.

Cas popularity over time

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

Last recorded 2024
Peak year (2020)
13
Annual births at peak, across 144 years of records
468101214 18811923196719932015201920232024 10

Cas by decade

2010s is the heaviest window (51 births, 28% of the file).

2010s was Cas's strongest decade.

51 babies received the name during that ten-year window, about 28% of all-time use.

Cas births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 51 births (28% of all-time use).

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

Frequently Asked Questions

How popular is the name Cas? ▼
Cas has been given to 181 babies in the U.S. since 1881, according to SSA data. Its archive ordinal is #13,566 of 45,481 among boys' names (total births, highest first). Its last appearance in the data was 2024. 13 babies were born in 2020, its single highest year.
Where does Cas sit in the SSA name archive? ▼
According to the U.S. Social Security Administration, Cas ranks #13,566 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 Cas most popular? ▼
Cas was most popular in the 2010s decade with 51 total births. The single peak year was 2020.
How long has the name Cas been used? ▼
Cas has been recorded in Social Security data since 1881, spanning 144 years of data through 2024.
What names are similar to Cas? ▼
Names with a similar sound or spelling include Casey, Cash, Cason, Case, and 4 more. These share a common prefix and are also used for boys.

What to do with Cas's data

  • Cas's usage has stayed within range of its 2010s decade-level peak (51 total births) through the 2020s (46) -- 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 Cas

Nearby Names Like Cas

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

Casey Boy
#320 116,675 births
Cash Boy
#287 27,705 births
Cason Boy
#847 11,308 births
Case Boy
#734 9,926 births
Cassius Boy
#582 9,736 births

Compare Cas side by side: Cas vs Casey Cas vs Cash Cas vs Cason

Or pick any two names to compare →

Related Names

Names with a similar number of total births

Oma
181 births · Peak 1923
Wilho
181 births · Peak 1916
Celester
181 births · Peak 1943
Odel
181 births · Peak 1925
Wetzel
181 births · Peak 1928
Arris #6181
181 births · Peak 2023
Charlies
181 births · Peak 1939
Melquiades
181 births · Peak 1924

Nationwide names with similar peak year or record span

Two nationwide peer axes for Cas: 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 Cas 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.