Casi

Casi is a feminine name with multiple possible origins. It can be a diminutive form of names like Cassandra (Greek for 'she who entangles men') or Casey (Irish for 'vigilant' or 'watchful'). In Spanish contexts, it may be a variant spelling of Cassi or Cassie. The name has a light, friendly quality with its soft sounds and brief structure. Casi has remained relatively uncommon in the United States, never breaking into top naming charts, which adds to its distinctive appeal. The name's cross-cultural potential makes it accessible in various linguistic contexts. Parents might choose Casi for its casual charm, its simplicity, and the way it works well as both a given name and a nickname.

Pronounced KAY-see.

As of October 2026, Casi ranked #15763 in US births in 2022 SSA, peaked at #2031 in 1986.