Darby is a distinctive boys' name in United States, ranking #4498 in 2017 with 22 recorded births. The name reached its all-time peak in 2003 with 46 births ranking #2319. Since 1996, the popularity has decreased by 33.3%. In 2017, approximately 1 in every 84,105 boys born was named Darby. FALLING Recent data shows the name is currently falling.