Kirby is a distinctive girls' name in United States, ranking #5074 in 2013 with 27 recorded births. The name reached its all-time peak in 1996 with 115 births ranking #1433. Since 1996, the popularity has decreased by 76.5%. In 2013, approximately 1 in every 64,978 girls born was named Kirby. RISING Recent data shows the name is currently rising.