Dennys is a distinctive boys' name in United States, ranking #11060 in 2016 with 6 recorded births. The name reached its all-time peak in 1998 with 20 births ranking #3616. Since 1996, the popularity has decreased by 50.0%. In 2016, approximately 1 in every 316,202 boys born was named Dennys. FALLING Recent data shows the name is currently falling.