Kerby is a distinctive boys' name in United States, ranking #5867 in 2001 with 12 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #4511. Since 1996, the popularity has decreased by 14.3%. In 2001, approximately 1 in every 161,903 boys born was named Kerby. FALLING Recent data shows the name is currently falling.