Girls' name · since 1979
Cassiopia
Since 1979, U.S. Social Security records show 46 babies named Cassiopia, peaking in 1986. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #35,873 of 72,339
- all-time among girls
- 46
- born since 1979
- 1980s
- peak decade
Cassiopia sits outside today's top ranks for girls, with 46 recorded since 1979.
According to the U.S. Social Security Administration, Cassiopia has been recorded 46 times among girls since 1979, though it is not among the currently most-used girls names, with its heaviest use in the 1980s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1979 to 1987.
- #35,873 of 72,339 all-time among girls
- 46 born since 1979
- 1980s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Cassiopia ranks #35,873 of 72,339 girls' names by all-time recorded births (highest first). 46 born since 1979, peaking in the 1980s.
- #35,873 of 72,339
- all-time among girls
- 46
- born since 1979
- 1980s
- peak decade
Cassiopia's 46 recorded births place it above 50.1% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Cassiopia's usage pattern, beyond the headline number
Divide Cassiopia's SSA record in two at 1983 and the more recent half accounts for 57% of all births, the earlier half the remaining 43%, a genuinely balanced usage pattern. Its calmest year was 1981, with only 6 births recorded -- set against the 1986 peak of 11, that's the full swing in one name's fortunes.
Cassiopia popularity over time
Annual U.S. births registered with the Social Security Administration · 1979–1987
- Peak year (1986)
- 11
- Annual births at peak, across 9 years of records
Cassiopia by decade
1980s is the heaviest window (38 births, 83% of the file).
1980s was Cassiopia's strongest decade.
38 babies received the name during that ten-year window, about 83% of all-time use.
Cassiopia births by decade
Total births in each ten-year window
- 1970s 8
1970s
8 births
- 1980s
1980s
38 births
What this shows Peak: 1980s at 38 births (83% of all-time use).
Frequently Asked Questions
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Keep exploring Cassiopia
Nearby Names Like Cassiopia
Names with a similar sound, spelling, or feel to Cassiopia
Compare Cassiopia side by side: Cassiopia vs Cassandra Cassiopia vs Casey Cassiopia vs Cassidy
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Cassiopia: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1986)
Similar record span (~8 yrs)
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, 1979–1987 (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 Cassiopia 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.