Recorded 1947–2019 Girls' name Peak 1986 1,996 births

Cassy — girls' name

1,996 babies named Cassy in U.S. Social Security records since 1947, with the highest year being 1986. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1940s121950s461960s1211970s2401980s7901990s5272000s2102010s50
1980s
Peak decade

40% of everyone ever named Cassy was born in this single decade.

1986
Single peak year

105 babies were named Cassy in 1986 — its busiest year on record.

What the Data Says About Cassy

The Social Security Administration has registered 1,996 babies named Cassy between 1947 and 2019, spanning 73 consecutive years of U.S. birth records. As a girl's name, Cassy currently falls outside the top 1,000 girls' names for 2019. The name reached its historical peak in 1986, when 105 babies received it in a single year.

Decade-level aggregation shows that Cassy performed strongest in the 1980s, accumulating 790 births during that ten-year window. Across the 8 decades of recorded activity, Cassy shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Texas, which accounts for 98 births — the largest state-level total in the dataset — followed by California and Michigan. In total, SSA state-level files list Cassy in 18 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Cassy in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 1,996 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Cassy at a glance

Last recorded 2019

Total births

1,996

Since 1947

73 years of records

Peak year

1986

105 births that year

Strongest decade: 1980s

Current rank

Unranked

Outside the modern top-1,000

As of 2019

Active since

1947

Recorded for 73 years

Last year on file: 2019

Cassy popularity over time

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

Last recorded 2019
Peak year (1986)
105
Annual births at peak — across 73 years of records
050100150 201920071998198919801971196219481947 6

Cassy by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 1980s
Peak decade
1980s
790 births that decade — 40% of Cassy's all-time total
1940s121950s461960s1211970s2401980s7901990s5272000s2102010s50

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. It was last recorded in 2019. The peak year was 1986 with 105 births.
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?
Cassy has been recorded in Social Security data since 1947, spanning 73 years of data through 2019.
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.

Keep exploring Cassy

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Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1947–2019 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.