Debby is a distinctive girls' name in United States, ranking #12058 in 2016 with 8 recorded births. This places Debby in the bottom 36% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 15 births ranking #6141. Since 1996, the popularity has decreased by 46.7%. In 2016, approximately 1 in every 221,436 girls born was named Debby. RISING Recent data shows the name is currently rising.