Total births
1,860
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.
- #5247
- among boys today
- 1,860
- born since 1881
- 1980s
- peak decade
- 63%
- more common than other boys
Yes -- Cass is the #5247 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 #5247 nationally today, ahead of 63% 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.
- #5247 among boys today
- 1,860 born since 1881
- 1980s peak decade
- 63% more common than other boys
Data updated Jun 2026
The verdict
Cass is currently the #5247 unisex name in America, more common than 63% of boys - 1,860 born since 1881, peaking in the 1980s.
- #5247
- among boys today
- 1,860
- born since 1881
- 1980s
- peak decade
- 63%
- more common than other boys
Cass vs. every other boys name in current SSA rankings
#5247
of 14,294 boys in use
More common than 63% of names given to boys today.
1980s
Peak decade
13% of everyone ever named Cass was born in this single decade.
1989
Single peak year
43 babies were named Cass in 1989 - its busiest year on record.
How Cass compares
1,860 Top 22% higher than 78% of 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
Cass's all-time total is 5x the median boys name, and Liam still leads by a wide margin.
| Metric | Cass | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 1,860 | 367 | 358,536 |
| Peak-year births | 43 | 23 | 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 at a glance
Outside the top 1,000Peak year
1989
Current rank
#5,247
Active since
1881
Cass popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1881–2025
- Peak year (1989)
- 43
- Annual births at peak, across 145 years of records
Cass popularity over time - girls
133 total births recorded since 1949 (Cass as girls' name)
Cass by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1880s 13
1880s
13 births
- 1890s 6
1890s
6 births
- 1900s 17
1900s
17 births
- 1910s 79
1910s
79 births
- 1920s 81
1920s
81 births
- 1930s 43
1930s
43 births
- 1940s 89
1940s
89 births
- 1950s
1950s
170 births
- 1960s
1960s
222 births
- 1970s
1970s
197 births
- 1980s
1980s
242 births
- 1990s
1990s
184 births
- 2000s
2000s
162 births
- 2010s
2010s
221 births
- 2020s
2020s
134 births
What this shows Peak: 1980s at 242 births (13% of all-time use).
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
Cass by state
Where Cass concentrates geographically, total births since 1881
| 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. Today it holds rank #5247 among boys. Its busiest year on record was 1989, with 43 births.
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
- 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 Cass
Nearby Names Like Cass
Names with a similar sound, spelling, or feel to Cass
Casey Boy
#311 116,675 births
Cash Boy
#316 27,705 births
Cason Boy
#856 11,308 births
Case Boy
#724 9,926 births
Cassius Boy
#569 9,736 births
Compare Cass side by side: Cass vs Casey Cass vs Cash Cass vs Cason
Related Names
Names with a similar popularity rank to Cass
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, 1881–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Cass: #5247 Unisex Name - 1,860 Births, Peak 1989." NameAlmanac. Accessed via https://namealmanac.com/name/cass. 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 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 June 2026.