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Cassiopeia
How to Pronounce Cassiopeia
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
Popularity in the U.S. · SSA data
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.
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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.