Kelby \k(e)-lby, kel-by\ as a girl's name (also used as boy's name Kelby), is pronounced KEL-bee. It is of Old English origin, and the meaning of Kelby is "farmhouse near the stream". Place name.
Kelby has 4 variant forms: Kelbea, Kelbeigh, Kelbey and Kellbie.
A baby name that sounds like Kelby is Kallyope.