Kirby is a distinctive girls' name in United States, ranking #2147 in 1997 with 65 recorded births. The name reached its all-time peak in 1996 with 115 births ranking #1433. Since 1996, the popularity has decreased by 43.5%. In 1997, approximately 1 in every 26,779 girls born was named Kirby. RISING Recent data shows the name is currently rising.