Crosby is a distinctive boys' name in United States, ranking #4713 in 2006 with 19 recorded births. The name reached its all-time peak in 2015 with 484 births ranking #578. Since 1996, the popularity has increased by 90.0%. In 2006, approximately 1 in every 108,164 boys born was named Crosby. FALLING Recent data shows the name is currently falling.