Cassiopeia
- Gender
- Girl
- Origin
- Greek
- UK rank, 2025
- #5,990 for girls
- US rank, 2025
- #8,858 for girls
Cassiopeia is a girls' name of Greek origin. In 2025 it ranked 5,990th for girls in the UK (3 babies) and 8,858th for girls in the US (11 babies).
What does Cassiopeia mean?
Greek
A female given name from Latin [in turn from Ancient Greek], of rare usage.
From Wiktionary, CC BY-SA 4.0.
Is Cassiopeia a girl's or a boy's name?
Cassiopeia is a girls' name. In 2025, it was given to 3 girls in the UK and 11 girls in the US. Too few boys were given it to be listed.
How popular is Cassiopeia in the UK?
- Rank in 2025
- 5,990th among girls
- Babies in 2025
- 3 about 1 in 93,000 girls
- Five-year trend
- Falling down 38% in five years
- Same name in a class
- under 1% chance among 15 girls
In 2025, 3 girls in the UK were named Cassiopeia, making it the 5,990th most popular name for girls. Its busiest year was 2018, with 7 girls.
Half of all the girls named Cassiopeia in the UK since 1996 were born between 2008 and 2021, the years shaded on the chart below.
Among girls in 2025, it was 5,925th in England and Wales.
Cassiopeia in the UK, year by year
| Year | Girls | Rank |
|---|---|---|
| 2025 | 3 | #5,990 |
| 2024 | 0 | – |
| 2023 | 5 | #4,251 |
| 2022 | 3 | #5,885 |
| 2021 | 5 | #4,148 |
| 2020 | 0 | – |
| 2019 | 6 | #3,738 |
| 2018 | 7 | #3,344 |
| 2017 | 0 | – |
| 2016 | 0 | – |
| 2015 | 6 | #3,777 |
| 2014 | 0 | – |
| 2013 | 0 | – |
| 2012 | 3 | #6,108 |
| 2011 | 1 | #7,717 |
| 2010 | 5 | #4,220 |
| 2009 | 0 | – |
| 2008 | 4 | #4,742 |
| 2007 | 3 | #5,415 |
| 2006 | 4 | #4,357 |
| 2005 | 6 | #3,133 |
How popular is Cassiopeia in the US?
- Rank in 2025
- 8,858th among girls
- Babies in 2025
- 11 about 1 in 150,000 girls
- Five-year trend
- Too rare to call too few babies to tell
- Same name in a class
- under 1% chance among 15 girls
In 2025, 11 girls in the US were named Cassiopeia, making it the 8,858th most popular name for girls. Five years earlier, in 2020, it was 9,541st. Its busiest year was 2022, with 18 girls. It first appears in the records in 1979.
2025 had fewer girls named Cassiopeia than any year since 2020.
Half of all the girls named Cassiopeia in the US since 1880 were born between 1988 and 2018, the years shaded on the chart below.
Cassiopeia in the US, year by year
| Year | Girls | Rank |
|---|---|---|
| 2025 | 11 | #8,858 |
| 2024 | 12 | #8,438 |
| 2023 | 18 | #6,404 |
| 2022 | 18 | #6,459 |
| 2021 | 16 | #6,962 |
| 2020 | 10 | #9,541 |
| 2019 | 11 | #9,106 |
| 2018 | 12 | #8,612 |
| 2017 | 10 | #9,939 |
| 2016 | 7 | #12,871 |
| 2015 | 9 | #10,861 |
| 2014 | 12 | #8,961 |
| 2013 | 5 | #16,542 |
| 2012 | 5 | #16,863 |
| 2011 | 5 | #16,756 |
| 2010 | 8 | #12,270 |
| 2009 | 0 | – |
| 2008 | 0 | – |
| 2007 | 5 | #17,630 |
| 2006 | 0 | – |
| 2005 | 12 | #8,878 |
| 2004 | 8 | #11,617 |
| 2003 | 0 | – |
| 2002 | 9 | #10,240 |
| 2001 | 6 | #13,514 |
| 2000 | 10 | #9,156 |
| 1999 | 8 | #10,338 |
| 1998 | 0 | – |
| 1997 | 8 | #9,797 |
| 1996 | 7 | #10,562 |
| 1995 | 6 | #11,778 |
| 1994 | 5 | #13,423 |
| 1993 | 0 | – |
| 1992 | 5 | #13,308 |
| 1991 | 6 | #11,501 |
| 1990 | 9 | #8,495 |
| 1989 | 9 | #8,031 |
| 1988 | 12 | #6,272 |
| 1987 | 13 | #5,608 |
| 1986 | 14 | #5,185 |
| 1985 | 8 | #7,560 |
| 1984 | 15 | #4,736 |
| 1983 | 12 | #5,456 |
| 1982 | 13 | #5,207 |
| 1981 | 13 | #5,253 |
| 1980 | 0 | – |
| 1979 | 9 | #6,694 |
Names like Cassiopeia
Names given in the same years and the same naming tradition, with a similar sound.
Sophia, Ariana, Sienna, Aria, Lyra, Eliana, Cora, Kiara, Anastasia, Maisie, Esme, Dua
More Greek names
Luca, Theodore, George, Theo, Lucas, Sofia, Alexander, Sebastian, Penelope, Phoebe, Margot, Luke, Chloe, Sophie, Zoe, Iris
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Cassiopeia: name meaning, origin and popularity”, https://www.nameling.co.uk/names/cassiopeia, updated 20 October 2026.