Dennys is a distinctive boys' name in United States, ranking #12618 in 2019 with 5 recorded births. The name reached its all-time peak in 1998 with 20 births ranking #3616. Since 1996, the popularity has decreased by 58.3%. In 2019, approximately 1 in every 358,672 boys born was named Dennys. FALLING Recent data shows the name is currently falling.