Cacy

Cacy is an uncommon feminine name with multiple possible origins. It may be a variant spelling of Casey, which derives from an Irish surname meaning 'vigilant' or 'watchful.' Alternatively, it could be a diminutive form of names containing the sound 'cace' or a completely modern creation. The spelling with a 'y' ending is characteristic of feminine name adaptations in English-speaking countries. Cacy has never been widely popular but appears occasionally in usage records from the mid-20th century onward. The name has a light, friendly sound with a contemporary feel. Its brevity and easy pronunciation make it accessible, while its relative rarity allows it to stand out. Cacy strikes a balance between familiarity and uniqueness in the naming landscape.

Pronounced CAY-see.

As of October 2026, Cacy ranked #13805 in US births in 2001 SSA, peaked at #8146 in 1979.