Denny is a distinctive boys' name in United States, ranking #4284 in 2025 with 24 recorded births. The name reached its all-time peak in 1997 with 98 births ranking #1207. Since 1996, the popularity has decreased by 75.3%. In 2025, approximately 1 in every 71,170 boys born was named Denny. FALLING Recent data shows the name is currently falling.