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What does Casy mean?

Casy Pronunciation of Casy [casy] as a girls' name has its root in English, and Casy means "alert, watchful". Casy is an alternate spelling of Casey (Irish, Gaelic): from the male Gaelic name Cathasaigh. Casy is also a derivative of Cassie (English).


Casy has 49 variants: Cacey, Caci, Cacy, Caisee, Caisey, Caisi, Caisie, Cascy, Casee, Casi, Casie, Cassee, Cassey, Cassi, Cassy, Cassye, Caycee, Caycey, Cayci, Caysee, Caysey, Caysi, Caysie, Kacee, Kacey, Kaci, Kacy, Kacye, Kacyee, Kaissie, Kasci, Kasee, Kasey, Kasi, Kasie, Kassey, Kassi, Kassie, Kassy, Kasy, Kaycee, Kaycey, Kayci, Kaysee, Kaysey, Kaysi, Kaysie, Kaysy and Kaysyee.

11 more alternative forms via Casey, Cassie: Cacia, Cacie, Casen, Cass, Casse, Cayce, Cayse, Cazzi, Kace, Kasse and Kayse.

Creative forms:
(female) Cansy, Chasy, ..

(male) Caco, Cavy, ..

Middle name pairings:
Casy Salome (C.S.), ..

How popular is Casy?

Casy is an uncommon given name for women. Casy is an equally unique surname for all people. (2000 U.S. Census)

Which version is better?

with its source forms and related girl names. Casey (#814 from recent data), Casie, Cassey, Cassi, Cassie (#1264), Cassy, Kacee, Kacey (#1316), Kaci (#1573), Kacy, Kasey (#1092), Kasi, Kasie, Kassi, Kassie, Kaycee (#1258) and Kayci are the prominent alternative forms of Casy (unlisted). Usage of these forms of Casy was more pronounced 23 years ago (adoption of 0.4%) and is now significantly reduced (adoption 0.1%, 86%), with versions like Casey becoming less in vogue. (Top Baby Names, 2015)

Top 2000 baby names ranking of Casey, Casie, Cassey, Cassi, Cassie in U.S.

Top 2000 baby names ranking of Cassy, Kacee, Kacey, Kaci, Kacy in U.S.

Top 2000 baby names ranking of Kasey, Kasi, Kasie, Kassi, Kassie in U.S.

Top 2000 baby names ranking of Kaycee, Kayci in U.S.

Top 100 baby names ranking of Casey, Kasey outside U.S.

Similar Names

Casy is pronounced similarly to Cassia, Cazzy, Kascey, Kasya and Kessy. Other suggested similar names are Caddy, Cade, Cadi, Cady, Cadye, Cai, Cain, Cait, Caity, Cal, Cala, Caley, Cali, Cally, Calyn, Cam, Cami, Cammy, Candy, Cara, Carey, Cari, Carly, Carmy, Caro, Carry, Cary, Caryl, Caryn, Carys, Cas, Casha, Casia, Casidy, Cason, Cat, Cate, Catey, Cath, Cathy, Cati, Cato, Caty, Cay, Caye, Cesya, Chassy, Chasty, Cis, Cissy, Clary, Coady, Cody, Cory, Cy, Daisy, Elsy, Essy, Hatsy, Issy, Josy, Lesy, Maisy, Pansy, Patsy, Posy, Rosy, Stasy, Susy and Tansy. These names tend to be more commonly used than Casy.

See names
in meaning and etymology.