Cady \c(a)-dy\ as a girl's name is pronounced KAY-dee. It is of Greek origin, and the meaning of Cady is "pure". Variant of Catherine. Also possibly a modern combination of Katy and Cody. Women's rights pioneer Elizabeth Cady Stanton.
Cady has 13 variant forms: Cade, Cadee, Cadey, Cadi, Cadie, Cadye, Caidie, Kade, Kadee, Kadi, Kadie, Kady and Kayde.
For more information, see also the related name Cadence.