Dennys is a distinctive boys' name in United States, ranking #6148 in 2008 with 14 recorded births. The name reached its all-time peak in 1998 with 20 births ranking #3616. Since 1996, the popularity has increased by 16.7%. In 2008, approximately 1 in every 145,711 boys born was named Dennys. FALLING Recent data shows the name is currently falling.