Debby is a distinctive girls' name in United States, ranking #12744 in 2003 with 7 recorded births. The name reached its all-time peak in 1996 with 15 births ranking #6141. Since 1996, the popularity has decreased by 53.3%. In 2003, approximately 1 in every 261,007 girls born was named Debby. RISING Recent data shows the name is currently rising.