Darby is a distinctive girls' name in United States, ranking #1746 in 2012 with 118 recorded births. The name reached its all-time peak in 1996 with 431 births ranking #542. Since 1996, the popularity has decreased by 72.6%. In 2012, approximately 1 in every 14,922 girls born was named Darby. STABLE Recent data shows the name is currently stable.