Denny is a distinctive boys' name in United States, ranking #1715 in 2000 with 66 recorded births. The name reached its all-time peak in 1997 with 98 births ranking #1207. Since 1996, the popularity has decreased by 32.0%. In 2000, approximately 1 in every 29,757 boys born was named Denny. FALLING Recent data shows the name is currently falling.