Darby is a distinctive girls' name in United States, ranking #866 in 2000 with 254 recorded births. The name reached its all-time peak in 1996 with 431 births ranking #542. Since 1996, the popularity has decreased by 41.1%. In 2000, approximately 1 in every 7,149 girls born was named Darby. STABLE Recent data shows the name is currently stable.