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Home › Baby Names Directory › Cassiopeia

Cassiopeia

♀ Girl

Pronounced kas-ee-oh-PEE-ah /ˌkæs.i.oʊˈpi.ɑ/Medium

Meaning: From the Greek Kassiopeia — a mythic Ethiopian queen (mother of Andromeda) placed among the stars as a constellation; the name's older meaning is debated; we note the myth/constellationLow

In 30 seconds: A mythic queen; a constellation: Cassiopeia is Greek. Lyrical, mythic, and warm (said 'kas-ee-oh-PEE-ah').
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Origin LowGreek
MeaningFrom the Greek Kassiopeia — a mythic Ethiopian queen (mother of Andromeda) placed among the stars as a constellation; the name's older meaning is debated; we note the myth/constellation
U.S. rank (2024)#8523 ↘ Falling
2024 U.S. births12 girls (0.00% of U.S. girls)
Peak year2022
Total births (all-time)≈ 380

Popularity in the U.S. · SSA data

peak 202319792024

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Cassiopeia comes from the Greek Kassiopeia — a mythic Ethiopian queen (mother of Andromeda) placed among the stars as a constellation; the name's older meaning is debated (we note the myth/constellation). A lyrical, mythic name (said 'kas-ee-oh-PEE-ah'; nickname Cass).

In the U.S. it appears as a celestial mythic name. Rare, a-mythic-queen at the root, and lyrical.

Did you know? Cassiopeia was a mythic queen (mother of Andromeda) set among the stars as a constellation — a lyrical, mythic name (its older meaning is debated; we note the myth; said 'kas-ee-oh-PEE-ah').
Overall data confidence 34%
References — Cassiopeia — myth/constellation

Variations

CassiopeaKassiopeia

Nicknames

CassCassie

Famous Bearers

  • Famous bearers coming soon.

If you like Cassiopeia…

Andromeda— a fellow mythic constellation girls' name
Cassia— a kin Cass- girls' name
Ophelia— a sound-neighbor Greek mythic girls' name
Calliope— a companion Greek -ope girls' name

Explore names like Cassiopeia

By themeuncertaingreekcelestialmythological
By meaningStarRoyal / Noble

All themes →All meanings →All origins →

Frequently Asked

What does the name Cassiopeia mean?

Cassiopeia is a Greek mythic queen (mother of Andromeda) and a constellation; the older meaning is debated. We note the myth.

How do you pronounce Cassiopeia?

It's said kas-ee-oh-PEE-ah /ˌkæs.i.oʊˈpi.ɑ/ — five syllables, stress on the fourth.

Is Cassiopeia a boy or girl name?

Cassiopeia is a girl's name.

How popular is Cassiopeia?

Cassiopeia is a very rare name in the U.S.

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