Kelby \k(e)-lby, kel-by\ as a boy's name (also used as girl's name Kelby), is pronounced KEL-bee. It is of Old Norse origin, and the meaning of Kelby is "farm near the spring". Place name.
Kelby has 3 variant forms: Kelbey, Kelbie and Kellby.
For more information, see also the related name Kolby.
Baby names that sound like Kelby are Colby and Gilby.