Debby is a distinctive girls' name in United States, ranking #18335 in 2007 with 5 recorded births. The name reached its all-time peak in 1996 with 15 births ranking #6141. Since 1996, the popularity has decreased by 66.7%. In 2007, approximately 1 in every 384,490 girls born was named Debby. RISING Recent data shows the name is currently rising.