Girls' name · since 1947

Cassy

Cassy has 1,996 recorded births since 1947 in federal Social Security data, most heavily in 1986 -- full year-by-year trend, decade aggregates, and state rankings follow.

#4,712 of 72,339
all-time among girls
1,996
born since 1947
1980s
peak decade

1,996 girls have been named Cassy since 1947, though it isn't currently a top-ranked name.

Cassy has 1,996 recorded births among girls since 1947, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1980s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1947 to 2019.

  • #4,712 of 72,339 all-time among girls
  • 1,996 born since 1947
  • 1980s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Cassy ranks #4,712 of 72,339 girls' names by all-time recorded births (highest first). 1,996 born since 1947, peaking in the 1980s.

#4,712 of 72,339
all-time among girls
1,996
born since 1947
1980s
peak decade
Above the archive median
All-time archive position

Cassy's 1,996 recorded births place it above 93.48% of the 72,339 girls names in the full SSA archive.

18 jurisdictions
State-record footprint

18 jurisdictions carry state-level records, led by Texas.

Cassy's usage pattern, beyond the headline number

Cassy splits its recorded history at 1984: 64% of all births land in the more recent half, 36% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1953 (5 births) -- compare that against the 1986 peak of 105 for a sense of just how much the name's popularity has swung.

Cassy popularity over time

Annual U.S. births registered with the Social Security Administration · 1947–2019

Last recorded 2019
Peak year (1986)
105
Annual births at peak, across 73 years of records
050100150 194719611970197919881997200620172019 5

Cassy by decade

1980s is the heaviest window (790 births, 40% of the file).

1980s was Cassy's strongest decade.

790 babies received the name during that ten-year window, about 40% of all-time use.

Cassy births by decade

Total births in each ten-year window

births

What this shows Peak: 1980s at 790 births (40% of all-time use).

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

How Cassy compares to similarly-sized names

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

Cassy vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%2%4%6%8%10% 050100150 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 -26, 7.2%-27, 9.5%-81, 4.5%-41, 7.3%-53, 3.7%-45, 6.6%-136, 2.2%-119, 2.1%-76, 3.2%-35, 7.2%-78, 3%-62, 4.9%-90, 2.6%-110, 3.6%-121, 5.5%Cassy-73, 5.3%Cassy
Cassy vs 15 similarly-sized girls names

Cassy by state

Where Cassy concentrates geographically, total births since 1947

Geographically diffuse
Top 8 states by recorded births for the name Cassy
Rank State Visual share Births Share of total
#1 Texas
98 4.9%
#2 California
88 4.4%
#3 Michigan
39 2.0%
#4 Illinois
30 1.5%
#5 Ohio
25 1.3%
#6 Florida
23 1.2%
#7 Iowa
10 0.5%
#8 Minnesota
10 0.5%
Texas share of Cassy's total US births 4.9%
Even split

98 of 1,996 births nationwide. Compared to a flat distribution across 18 reporting states.

Cassy appears in 18 states. Explore state details →

Frequently Asked Questions

How popular is the name Cassy?
1,996 babies have been named Cassy since 1947. All-time, it sits at #4,712 of 72,339 girls' names by recorded births. It was last recorded in 2019. The peak year was 1986 with 105 births.
Where does Cassy sit in the SSA name archive?
According to the U.S. Social Security Administration, Cassy ranks #4,712 of 72,339 girls' 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 Cassy most popular?
Cassy was most popular in the 1980s decade with 790 total births. The single peak year was 1986.
Where is Cassy most popular?
The top states for the name Cassy are Texas (98 births), California (88 births), Michigan (39 births).
How long has the name Cassy been used?
The SSA has tracked Cassy since 1947 -- 73 years through the most recent 2019 data.
What names are similar to Cassy?
Names with a similar sound or spelling include Cassandra, Casey, Cassidy, Cassie, and 4 more. These share a common prefix and are also used for girls.

What to do with Cassy's data

  • Cassy's decade-level peak was the 1980s (790 total births); usage has since declined to 50 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Texas records the most Cassys (98 births) -- see the full state breakdown if geography matters to your decision. Texas names

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

Keep exploring Cassy

Nearby Names Like Cassy

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Cassy: 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, 1947–2019 (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 Cassy 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.