Dennys is a distinctive boys' name in United States, ranking #4361 in 2002 with 18 recorded births. The name reached its all-time peak in 1998 with 20 births ranking #3616. Since 1996, the popularity has increased by 50.0%. In 2002, approximately 1 in every 107,860 boys born was named Dennys. FALLING Recent data shows the name is currently falling.