Denny is a distinctive boys' name in United States, ranking #3313 in 2018 with 34 recorded births. The name reached its all-time peak in 1997 with 98 births ranking #1207. Since 1996, the popularity has decreased by 64.9%. In 2018, approximately 1 in every 53,396 boys born was named Denny. FALLING Recent data shows the name is currently falling.