Kerwin is a distinctive boys' name in United States, ranking #6907 in 2021 with 12 recorded births. The name reached its all-time peak in 1996 with 27 births ranking #2795. Since 1996, the popularity has decreased by 55.6%. In 2021, approximately 1 in every 145,686 boys born was named Kerwin. FALLING Recent data shows the name is currently falling.