Girl name origins & meanings American : Simple happinessOld English : Rhythmic flow of sounds; Possibly a combination of Katy and CodyAmerican : VirtuousEnglish : Sassy Girl name variations Cady Cade Cadee Cadey Cadi Cadie Cadye Caidie Kade Kadee Kadi Kady Kayde K. D. Kaydie Kaydy