Dennys is a distinctive boys' name in United States, ranking #9034 in 2018 with 8 recorded births. The name reached its all-time peak in 1998 with 20 births ranking #3616. Since 1996, the popularity has decreased by 33.3%. In 2018, approximately 1 in every 226,934 boys born was named Dennys. FALLING Recent data shows the name is currently falling.