Kerby is a distinctive boys' name in United States, ranking #8696 in 2009 with 9 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #4511. Since 1996, the popularity has decreased by 35.7%. In 2009, approximately 1 in every 220,367 boys born was named Kerby. FALLING Recent data shows the name is currently falling.