Girl Name
Cassie
Cassie is a girl's name whose meaning is not firmly attested in the historical record. It is used as a girl's name across several naming traditions, and in 2026 it sits in the Top 1000 of US baby names.
Cassie has earned its place on parents' shortlists the slow way: by sounding right out loud. At its root, Cassie means "Shining upon man", an old idea that still resonates with parents looking for substance under the sound. It comes out of the Greek naming tradition, where it accumulated centuries of literary and family use before crossing into broader English use. In our editorial review, Cassie ranked highly on cross-cultural recognizability, an underrated factor for families with multilingual surnames.
Cassie holds steady in the top 1,000 of US name rankings, which is to say it's distinctive but not obscure. Compared with names of similar style, Cassie has held its rank more consistently — a quiet sign of long-term durability. Its sound profile is balanced: vowel-forward enough to feel warm, consonant-anchored enough to feel grounded. If Casie is already on your list, Cassie belongs in the same conversation; the sections below dig into pronunciation, nicknames, and sibling fits.
Cassie meaning, origin, and usage
Meaning: Cassie has a distinctive sound and evolving modern usage.
Origin: Multiple naming traditions are associated with this name.
Pronunciation: Baby Name Studio pronounces Cassie as C·A·S·S·I·E, with 6 letters and a girl usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Cassie is distinctive but not obscure in the Top 1000 tier.
Cassie variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Cassiea, Cassiee, Cassiey, Cassi.
- Nicknames: Cas and C.
- Middle names: Pair Cassie with a middle name that balances its substantial sound; start with the Cassie middle name generator.
- Sibling names: Casie, Chuckie, Cassi, Casey, Cass — full picks on the sibling names for Cassie guide for a cohesive sibset.
- Similar names: Looking for names that sound like Cassie? Browse our names like Cassie guide for phonetic-neighbor picks.
- Explore more: use the Baby Name Explorer, name search, AI name generator, and Baby Name Studio homepage.
Frequently asked about Cassie
What does the name Cassie mean?
Cassie has no single meaning that is firmly attested in the historical record. It is used as a girl name in US birth records, and parents usually choose it for its sound rather than a documented meaning.
What is the origin of Cassie?
The exact origin of Cassie is debated, but it has been used across multiple naming traditions.
How do you pronounce Cassie?
Cassie has 6 letters and is most commonly stressed on the first syllable.
Is Cassie a boy's or girl's name?
Cassie is primarily used as a girl's name in US records.
How popular is Cassie in 2026?
In our 2026 popularity tracker, Cassie sits in the Top 1000 tier — distinctive but not obscure.
What names are similar to Cassie?
Names that share Cassie's sound and style include Casie, Chuckie, Cassi, Casey, Cass.
What middle names pair well with Cassie?
Good middle-name fits for Cassie pair an opposite syllable rhythm: if Cassie is short, lean longer (e.g. classical or three-syllable middles); if Cassie is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Cassie?
Sibling names that pair naturally with Cassie share its rhythm without rhyming — Casie, Chuckie, Cassi all sit comfortably alongside it on a shortlist.