Denny is a distinctive boys' name in United States, ranking #1533 in 2002 with 81 recorded births. The name reached its all-time peak in 1997 with 98 births ranking #1207. Since 1996, the popularity has decreased by 16.5%. In 2002, approximately 1 in every 23,969 boys born was named Denny. FALLING Recent data shows the name is currently falling.