Denny is a distinctive boys' name in United States, ranking #3396 in 2017 with 33 recorded births. The name reached its all-time peak in 1997 with 98 births ranking #1207. Since 1996, the popularity has decreased by 66.0%. In 2017, approximately 1 in every 56,070 boys born was named Denny. FALLING Recent data shows the name is currently falling.