Unisex name · since 1881

Cass

1,860 babies named Cass in U.S. Social Security records since 1881, with the highest year being 1989. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#3,457 of 45,481
all-time among boys
#5,048 of 13,930
2025 SSA year
1,860
born since 1881
1980s
peak decade

Yes -- Cass is the #5048 most popular unisex name in the U.S. today, with 1,860 recorded since 1881.

Social Security Administration records show Cass recorded 1,860 times among boys since 1881, holding rank #5048 nationally today, ahead of 64% of boys, peaking in the 1980s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1881 to 2025.

  • #3,457 of 45,481 all-time among boys
  • #5,048 of 13,930 2025 SSA year
  • 1,860 born since 1881
  • 1980s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Cass ranks #3,457 of 45,481 boys' names by all-time recorded births (highest first) and #5,048 of 13,930 among boys' names in 2025. 1,860 born since 1881, peaking in the 1980s.

#3,457 of 45,481
all-time among boys
#5,048 of 13,930
2025 SSA year
1,860
born since 1881
1980s
peak decade
0%100%Median name50%63.7%
Cass vs. every other boys name in current SSA rankings
Above the archive median
All-time archive position

Cass's 1,860 recorded births place it above 92.39% of the 45,481 boys names in the full SSA archive.

7 jurisdictions
State-record footprint

7 jurisdictions carry state-level records, led by California.

How Cass compares

1,860 Top 23% higher than 77% of 13,930 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

Cass's all-time total is 5x the median boys name, and Liam still leads by a wide margin.

Metric Cass Median boys name (Takari) #1 boys name (Liam)
All-time total births 1,860 369 358,536
Peak-year births 43 34 22,252

Cass's usage pattern, beyond the headline number

Divide Cass's SSA record in two at 1968 and the more recent half accounts for 63% of all births, the earlier half the remaining 37%, consistent with a name still gaining ground rather than fading. Its calmest year was 1900, with only 5 births recorded -- set against the 1989 peak of 43, that's the full swing in one name's fortunes.

Cass popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1881–2025

Outside the top 1,000
Peak year (1989)
43
Annual births at peak, across 145 years of records
01020304050 188119201939195519701985200020152025 19

Cass popularity over time - girls

133 total births recorded since 1949 (Cass as girls' name)

Unisex variant - 133 births
4681012 19491957196819721977198319912017 5

Cass by decade

1980s is the heaviest window (242 births, 13% of the file).

1980s was Cass's strongest decade.

242 babies received the name during that ten-year window, about 13% of all-time use.

Cass births by decade

Total births in each ten-year window

births

What this shows Peak: 1980s at 242 births (13% of all-time use).

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

How Cass compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Cass's total volume

Cass vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%2%4%6%8%10%12% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -117, 2.5%-47, 6.5%-138, 2.5%-116, 2.4%-35, 8.2%-65, 5.7%-88, 3.7%-34, 5.8%-46, 9.7%-113, 5%-64, 4.2%-101, 3.7%-115, 2.2%-115, 4.3%-42, 5.7%Cass-145, 2.3%Cass
Cass vs 15 similarly-sized boys names

Cass by state

Where Cass concentrates geographically, total births since 1881

Geographically diffuse
Top 7 states by recorded births for the name Cass
Rank State Visual share Births Share of total
#1 California
32 1.7%
#2 Texas
32 1.7%
#3 Michigan
29 1.6%
#4 Florida
5 0.3%
#5 Georgia
5 0.3%
#6 Illinois
5 0.3%
#7 Tennessee
5 0.3%
California share of Cass's total US births 1.7%
Even split

32 of 1,860 births nationwide. Compared to a flat distribution across 7 reporting states.

Frequently Asked Questions

How popular is the name Cass?
Since 1881, Social Security records show 1,860 babies named Cass. Across the full SSA archive it ranks #3,457 of 45,481 boys' names by total births. In 2025, it holds #5,048 of 13,930 among boys. Its busiest year on record was 1989, with 43 births.
Where does Cass sit in the SSA name archive?
According to the U.S. Social Security Administration, Cass ranks #3,457 of 45,481 boys' names by all-time recorded births (highest first) and #5,048 of 13,930 among boys' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Cass most popular?
Cass was most popular in the 1980s decade with 242 total births. The single peak year was 1989.
Where is Cass most popular?
The top states for the name Cass are California (32 births), Texas (32 births), Michigan (29 births).
Is Cass a unisex name?
Yes, Cass is used for both boys and girls. As a boy's name it has 1,860 births, and as a girl's name it has 133 births.
How long has the name Cass been used?
Records for Cass go back to 1881, giving 145 years of history through 2025.
What names are similar to Cass?
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 Cass's data

  • Cass's usage has stayed within range of its 1980s decade-level peak (242 total births) through the 2020s (134) -- a comparatively stable name, not a fading trend.
  • California records the most Casss (32 births) -- see the full state breakdown if geography matters to your decision. California names

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

Keep exploring Cass

Nearby Names Like Cass

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

Names with a similar popularity rank to Cass

Nationwide names with similar peak year or record span

Two nationwide peer axes for Cass: 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, 1881–2025 (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 Cass 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.