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Cassiopeia
GirlMeaning of Cassiopeia: Greek: 'queen of Aethiopia in mythology'
Cassiopeia is a girl's name most strongly associated with Greek naming. It has 10 letters and 3 syllables, and it is a genuinely rare and unique choice — 8419th most popular girls' name in the United States in 2025.
US rank 2025
#8419
11 babies in 2025
England & Wales 2024
—
Fewer than 3 babies or unlisted
US babies since 1880
391
First recorded 1979 · peak 2023
Trend
stable
Style: rare
Popularity over time
Gender split
0% boys · 100% girls, based on US, UK and international usage.
Origins & cultures
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