Debby is a distinctive girls' name in United States, ranking #8514 in 1997 with 10 recorded births. The name reached its all-time peak in 1996 with 15 births ranking #6141. Since 1996, the popularity has decreased by 33.3%. In 1997, approximately 1 in every 174,066 girls born was named Debby. RISING Recent data shows the name is currently rising.