Darby is a distinctive boys' name in United States, ranking #2645 in 2010 with 46 recorded births. The name reached its all-time peak in 2003 with 46 births ranking #2319. Since 1996, the popularity has increased by 39.4%. In 2010, approximately 1 in every 41,705 boys born was named Darby. FALLING Recent data shows the name is currently falling.