Debby is a distinctive girls' name in United States, ranking #8758 in 2012 with 13 recorded births. The name reached its all-time peak in 1996 with 15 births ranking #6141. Since 1996, the popularity has decreased by 13.3%. In 2012, approximately 1 in every 135,442 girls born was named Debby. RISING Recent data shows the name is currently rising.