Given name & surname
Cassie
“one who is pure; virginal”·“vigilant, wakeful”·“a vigilant woman”
In English use, Cassie is a diminutive of Catherine. One English interpretation is “one who is pure; virginal.” Its derivation is not certain. Cassie has a related form in Casey. Interpretations include “vigilant, wakeful” (Irish), “a vigilant woman” (Irish), and “one who is alert; watchful”. These may reflect different naming traditions.
Meaning & origin
What it means
In English use, Cassie is a diminutive of Catherine. One English interpretation is “one who is pure; virginal.” Its derivation is not certain. Cassie has a related form in Casey. Interpretations include “vigilant, wakeful” (Irish), “a vigilant woman” (Irish), and “one who is alert; watchful”. These may reflect different naming traditions.
Explained through its name family
Where it comes from
In English use, Cassie is a diminutive of Cassandra. An origin associated with Cassandra is Greek. Cassie has a related form in Casey. An origin associated with Casey is Irish.
Explained through its name family
How it developed
In English usage, Cassie is a diminutive of Cassandra.
The story
Published U.S. birth records include this spelling as early as 1880. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Cassie through the years
- Babies since 1880
- 47,027
- 385 boys · 46,642 girls
- Most popular year
- 1982
- 2,207 babies
- 2025
- 175
- #1,280 for girls
- 2021–25 vs 2016–20
- −4%
- Steady
Where it’s given
By the numbers
In 2025, this name appeared in 175 U.S. birth records for girls, ranking No. 1,280 among girls’ names. Average annual use for girls was 3.7% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 2,193 in 1982. In 2025, California had the largest reported state-level birth count for girls with this name (28). Published U.S. population figures for this spelling include 40,082 as a first name in 2020; 444 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Cassie’s family of names
In English usage, Cassie is a diminutive of Catherine. Cassie has a related form in Casey. In English usage, Cassie is a diminutive of Cassandra.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Nicknames & forms 5
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 1
Equivalents and cognates in other languages, plus older forms it grew from.
People named Cassie
- Cassie ScerboAmerican actress, singer and dancerborn 1990
- Cassie SharpeCanadian freestyle skierborn 1992
- Cassie SteeleCanadian actress and singerborn 1989
- Cassie GainesAmerican singer (1948–1977)
- Cassie PattenBritish swimmer, Olympic bronze medallistborn 1987
- Cassie Campbell-PascallCanadian ice hockey playerborn 1973
- Cassie JayeAmerican film directorborn 1986
- Cassie Bernallvictim of the Columbine High School Massacre (1981–1999)
- Cassie MitchellAmerican Paralympic discus throwerborn 1981
Characters named Cassie: Cassie Cage (Mortal Kombat character).
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Cassie, these share its style, era, origin or sound, from outside its own family.
Kassie
“an unheeded prophetess”
>99% girls
Katie
“one who is pure; virginal”
>99% girls
Carrie
“a joyous song; a small, strong woman” · “from the river”
>99% girls
Candace
“a queen” · “one who is white and glowing”
>99% girls
Cara
“beloved” · “one who is dearly loved”
>99% girls
Corrie
“from the hollow; of the churning waters” · “referring to a horn”
7% boys · 93% girls
Kami
“a loving man”
5% boys · 95% girls
Corinne
“a spear-wielding woman”
>99% girls