Denny is a distinctive boys' name in United States, ranking #1776 in 2006 with 78 recorded births. The name reached its all-time peak in 1997 with 98 births ranking #1207. Since 1996, the popularity has decreased by 19.6%. In 2006, approximately 1 in every 26,348 boys born was named Denny. FALLING Recent data shows the name is currently falling.