Kirby is a distinctive girls' name in United States, ranking #4338 in 2017 with 33 recorded births. The name reached its all-time peak in 1996 with 115 births ranking #1433. Since 1996, the popularity has decreased by 71.3%. In 2017, approximately 1 in every 52,299 girls born was named Kirby. RISING Recent data shows the name is currently rising.