Cassie
Cassie was the 1280th most popular name for girls in 2025, given to 175 babies. Its best year was 1982, when it ranked 137th with 2,193 babies. Over the last ten years it has moved down 20 places. More babies were named Cassie in the 1980s than in any other decade.
Meaning pet form of Cassandra · English, Greek
Say it KAS-ee /ˈkæsi/
- Rank in 2025
- #1,280 girls, down 31 places since 2020
- Babies in 2025
- 175girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 19822,193 babies
- Total since 1880
- 47,027babies recorded
What does the name Cassie mean?
Cassie is a pet form of Cassandra (and sometimes of Cassidy), made with the ending -ie. Cassandra is the Trojan princess of Greek legend who could foretell the future but was never believed. DMNES calls the Greek name of uncertain origin: one part may come from the word for "man", and scholars have proposed other roots meaning "excel" or "raise". Cassie was most popular in the US in the 1980s.
Κασσάνδρα (Ancient Greek, “Kassandra, of uncertain origin”)
How sure is this? Well established. Cassie is clearly a pet form; the meaning of Cassandra is uncertain.
Related names: Cassandra, Cass, Cassidy, Kassie.
See also: Greek names.
Sources for this meaning
- Wiktionary, entry 'Cassie', Wiktionary (Wikimedia Foundation)
- Dictionary of Medieval Names from European Sources, ed. S. L. Uckelman, Edition 2023 no. 1, s.v. 'Cassandra', DMNES (Durham University)
- Wikipedia, 'Cassie', Wikipedia (Wikimedia Foundation)
Cassie popularity since 1880
A few boys are given the name too: 385 since 1887.
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #1,280 | 175 |
| 2020 | #1,249 | 182 |
| 2010 | #1,150 | 212 |
| 2000 | #348 | 886 |
| 1990 | #229 | 1,253 |
| 1980 | #314 | 770 |
| 1970 | #559 | 329 |
| 1960 | #814 | 163 |
| 1950 | #758 | 130 |
| 1940 | #929 | 60 |
| 1930 | #657 | 109 |
| 1920 | #524 | 181 |
| 1910 | #376 | 108 |
| 1900 | #366 | 85 |
| 1890 | #303 | 68 |
| 1880 | #271 | 33 |
How popular is Cassie, counting every spelling?
Cassie is the most common spelling of a name family that ranked #931 for girls in 2025 once every spelling is counted together, compared with #1,280 for Cassie on its own. Together these spellings went to 265 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Cassie | 175 | #1,280 | 925 |
| Kassie | 55 | #3,010 | 225 |
| Kassey | 6 | #14,047 | 58 |
| Kassi | 9 | #10,494 | 39 |
| Kasie | 9 | #10,493 | 38 |
| Casie | 6 | #13,533 | 38 |
| Cassi | 5 | #15,382 | 31 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Cassie?
175 of the 3,606,400 babies born in the US in 2025 were named Cassie (0.05 per 1,000 births). For a girl named Cassie born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 48 (of 430 pupils) would have a child named Cassie.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Cassie?
About 39,300 people born in the US named Cassie are alive today, with a median age of 38; half are between 29 and 44. That makes Cassie mostly worn by adults in their thirties to fifties.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Cassie by state
How common Cassie was among girls born in each state in 2021–2025. It is notably more common than nationally in North Carolina (1.5×). In 24 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Cassie: their share of US girls followed the most similar curve since 1880. If you like Cassie, they share its era and feel.
Middle names for Cassie · Sibling names for Cassie
Cassie is also a nickname for Cassidy and Cassandra.
Questions about the name Cassie
What does Cassie mean?
Cassie means “pet form of Cassandra” (English, Greek origin). Certainty: well established.
How popular is the name Cassie?
Cassie was the 1280th most popular name for girls in 2025, given to 175 babies. Its best year was 1982, when it ranked 137th with 2,193 babies. Over the last ten years it has moved down 20 places. More babies were named Cassie in the 1980s than in any other decade.
Is Cassie a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Cassie in the US.
Where is Cassie most popular?
In 2021–2025, Cassie was most common in New Mexico (0.21 per 1,000 girls), followed by Louisiana and North Carolina.