Crosby is a distinctive boys' name in United States, ranking #5550 in 2004 with 14 recorded births. This places Crosby in the top 42% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 484 births ranking #578. Since 1996, the popularity has increased by 40.0%. In 2004, approximately 1 in every 141,772 boys born was named Crosby. FALLING Recent data shows the name is currently falling.