Girl Name · Greek Origin
Cassi
Considering Cassi? It is a girl name whose meaning is "Cassia tree", rooted in Greek naming tradition, and ranks in our Rare popularity tier. Phonetically it shares territory with Casi.
Cassi meaning, origin, and usage
Meaning: Cassia tree
Origin: Greek naming roots help connect Cassi to related Greek baby names.
Pronunciation: Baby Name Studio pronounces Cassi as C·A·S·S·I, with 5 letters and a girl usage profile.
Popularity: According to Baby Name Studio's 2026 tracker, Cassi is an uncommon, standout choice in the Rare tier.
Cassi variants, nicknames, middle names, and sibling names
- Variants and spelling ideas: Cassia, Cassie, Cassiy, Cass.
- Nicknames: Cas and C.
- Middle names: Pair Cassi with a middle name that balances its substantial sound; start with the Cassi middle name generator.
- Sibling names: Casi, Cassie, Cass, Casey, Casie — full picks on the sibling names for Cassi guide for a cohesive sibset.
- Similar names: Looking for names that sound like Cassi? Browse our names like Cassi 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 Cassi
What does the name Cassi mean?
Cassi means "Cassia tree" and is of Greek origin.
What is the origin of Cassi?
Cassi originates in Greek naming tradition.
How do you pronounce Cassi?
Cassi has 5 letters and is most commonly stressed on the first syllable.
Is Cassi a boy's or girl's name?
Cassi is primarily used as a girl's name in US records.
How popular is Cassi in 2026?
In our 2026 popularity tracker, Cassi sits in the Rare tier — an uncommon, standout choice.
What names are similar to Cassi?
Names that share Cassi's sound and style include Casi, Cassie, Cass, Casey, Casie.
What middle names pair well with Cassi?
Good middle-name fits for Cassi pair an opposite syllable rhythm: if Cassi is short, lean longer (e.g. classical or three-syllable middles); if Cassi is longer, a one-syllable middle keeps the full name from feeling heavy.
What are good sibling names for Cassi?
Sibling names that pair naturally with Cassi share its rhythm without rhyming — Casi, Cassie, Cass all sit comfortably alongside it on a shortlist.