Darby is a distinctive boys' name in United States, ranking #5362 in 2016 with 17 recorded births. The name reached its all-time peak in 2003 with 46 births ranking #2319. Since 1996, the popularity has decreased by 48.5%. In 2016, approximately 1 in every 111,601 boys born was named Darby. FALLING Recent data shows the name is currently falling.