Denny is a distinctive boys' name in United States, ranking #2106 in 2008 with 65 recorded births. This places Denny in the top 14% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 98 births ranking #1207. Since 1996, the popularity has decreased by 33.0%. In 2008, approximately 1 in every 31,384 boys born was named Denny. FALLING Recent data shows the name is currently falling.