Denny is a distinctive boys' name in United States, ranking #1747 in 2007 with 85 recorded births. The name reached its all-time peak in 1997 with 98 births ranking #1207. Since 1996, the popularity has decreased by 12.4%. In 2007, approximately 1 in every 24,415 boys born was named Denny. FALLING Recent data shows the name is currently falling.