Darby is a distinctive boys' name in United States, ranking #6540 in 2025 with 13 recorded births. The name reached its all-time peak in 2003 with 46 births ranking #2319. Since 1996, the popularity has decreased by 60.6%. In 2025, approximately 1 in every 131,390 boys born was named Darby. FALLING Recent data shows the name is currently falling.