Cacy \c(a)-cy\ as a girl's name is a variant of Casey (Irish, Gaelic), and the meaning of Cacy is "alert, watchful".

The baby name Cacy sounds like Kacy, Casy, Cascy, Caci and Cacey. Other similar baby names are Cady, Dacy, Cary, Cay, Caty, Jacy, Lacy, Macy and Tacy.