Denny is a distinctive boys' name in United States, ranking #2008 in 2011 with 68 recorded births. The name reached its all-time peak in 1997 with 98 births ranking #1207. Since 1996, the popularity has decreased by 29.9%. In 2011, approximately 1 in every 27,926 boys born was named Denny. FALLING Recent data shows the name is currently falling.