Recorded 1979–1987 Girls' name Peak 1986 46 births

Cassiopia — girls' name

46 babies named Cassiopia in U.S. Social Security records since 1979, with the highest year being 1986. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1970s81980s38
1980s
Peak decade

83% of everyone ever named Cassiopia was born in this single decade.

1986
Single peak year

11 babies were named Cassiopia in 1986 — its busiest year on record.

What the Data Says About Cassiopia

The Social Security Administration has registered 46 babies named Cassiopia between 1979 and 1987, spanning 9 consecutive years of U.S. birth records. As a girl's name, Cassiopia currently falls outside the top 1,000 girls' names for 1987. The name reached its historical peak in 1986, when 11 babies received it in a single year.

Decade-level aggregation shows that Cassiopia performed strongest in the 1980s, accumulating 38 births during that ten-year window. Across the 2 decades of recorded activity, Cassiopia shows a stable profile with only moderate drift from its peak decade.

No etymological entry is currently available for Cassiopia 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 46 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.

Cassiopia at a glance

Last recorded 1987

Total births

46

Since 1979

9 years of records

Peak year

1986

11 births that year

Strongest decade: 1980s

Current rank

Unranked

Outside the modern top-1,000

As of 1987

Active since

1979

Recorded for 9 years

Last year on file: 1987

Cassiopia popularity over time

Annual U.S. births registered with the Social Security Administration · 1987–1979

Last recorded 1987
Peak year (1986)
11
Annual births at peak — across 9 years of records
4681012 198719861983198219811979 8

Cassiopia by decade

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

Peak: 1980s
Peak decade
1980s
38 births that decade — 83% of Cassiopia's all-time total
1970s81980s38

Frequently Asked Questions

How popular is the name Cassiopia?
46 babies have been named Cassiopia since 1979. It was last recorded in 1987. The peak year was 1986 with 11 births.
When was Cassiopia most popular?
Cassiopia was most popular in the 1980s decade with 38 total births. The single peak year was 1986.
How long has the name Cassiopia been used?
Cassiopia has been recorded in Social Security data since 1979, spanning 9 years of data through 1987.
What names are similar to Cassiopia?
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.

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, 1979–1987 (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.