Darby is a distinctive girls' name in United States, ranking #686 in 1998 with 330 recorded births. The name reached its all-time peak in 1996 with 431 births ranking #542. Since 1996, the popularity has decreased by 23.4%. In 1998, approximately 1 in every 5,354 girls born was named Darby. STABLE Recent data shows the name is currently stable.