Crosby is a distinctive boys' name in United States, ranking #1959 in 2009 with 72 recorded births. The name reached its all-time peak in 2015 with 484 births ranking #578. Since 1996, the popularity has increased by 620.0%. In 2009, approximately 1 in every 27,546 boys born was named Crosby. FALLING Recent data shows the name is currently falling.