Cassiopeia
From Latin Cassiopēia, from Ancient Greek Κασσιόπεια (Kassiópeia) or Κασσιόπη (Kassiópē).
Every Cassiopeia since 1979 — 391 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Cassiopeia
Cassiopeia is rare for girls in the United States, ranked #8,977 in 2025 with 11 babies given the name. It is currently rising compared with a decade ago.
Since 1979, 391 American babies have been named Cassiopeia. Its peak came in 2022, when 18 newborns received the name — the signature sound of the 2020s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Cassiopeia stood among all girls' names in any year, or use the compare tool to plot it against other names.
Cassiopeia year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Girls | Girls rank |
|---|---|---|
| 2025 | 11 | #8,977 |
| 2024 | 12 | #8,555 |
| 2023 | 18 | #6,471 |
| 2022 | 18 | #6,509 |
| 2021 | 16 | #7,026 |
| 2020 | 10 | #9,700 |
| 2019 | 11 | #9,244 |
| 2018 | 12 | #8,716 |
| 2017 | 10 | #10,116 |
| 2016 | 7 | #13,179 |
| 2015 | 9 | #11,079 |
| 2014 | 12 | #9,096 |
| 2013 | 5 | #17,062 |
| 2012 | 5 | #17,405 |
| 2011 | 5 | #17,299 |
| 2010 | 8 | #12,505 |
| 2009 | — | — |
| 2008 | — | — |
| 2007 | 5 | #18,155 |
| 2006 | — | — |
| 2005 | 12 | #9,011 |
| 2004 | 8 | #11,819 |
| 2003 | — | — |
| 2002 | 9 | #10,393 |
| 2001 | 6 | #13,838 |
| 2000 | 10 | #9,291 |
| 1995 | 6 | #12,040 |
| 1990 | 9 | #8,599 |
| 1985 | 8 | #7,662 |
| 1980 | — | — |
| 1975 | — | — |
| 1970 | — | — |
| 1965 | — | — |
| 1960 | — | — |
| 1955 | — | — |
| 1950 | — | — |
| 1945 | — | — |
| 1940 | — | — |
| 1935 | — | — |
| 1930 | — | — |
| 1925 | — | — |
| 1920 | — | — |
| 1915 | — | — |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Frequently asked questions
What does the name Cassiopeia mean?
From Latin Cassiopēia, from Ancient Greek Κασσιόπεια (Kassiópeia) or Κασσιόπη (Kassiópē).
How popular is the name Cassiopeia in 2025?
Cassiopeia ranked #8,977 among girls' names in the United States in 2025, with 11 babies given the name, according to Social Security Administration data.
How many people are named Cassiopeia?
391 babies have been named Cassiopeia in the United States since 1979, based on Social Security card applications.
When was the name Cassiopeia most popular?
Cassiopeia peaked in 2022, when 18 newborns received the name.
Is Cassiopeia a boy or girl name?
Cassiopeia is overwhelmingly a girl's name — 100% of babies with the name.
Is the name Cassiopeia rising or falling?
Cassiopeia is on the rise — noticeably more popular now than a decade ago.