Denny is a distinctive boys' name in United States, ranking #1735 in 2004 with 73 recorded births. The name reached its all-time peak in 1997 with 98 births ranking #1207. Since 1996, the popularity has decreased by 24.7%. In 2004, approximately 1 in every 27,189 boys born was named Denny. FALLING Recent data shows the name is currently falling.