Kerby is a distinctive boys' name in United States, ranking #7750 in 2006 with 10 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #4511. Since 1996, the popularity has decreased by 28.6%. In 2006, approximately 1 in every 205,512 boys born was named Kerby. FALLING Recent data shows the name is currently falling.