Denny is a distinctive boys' name in England & Wales, ranking #697 in 2025 with 51 recorded births. The name reached its all-time peak in 2023 with 55 births ranking #645. Since 1996, the popularity has increased by 628.6%. In 2025, approximately 1 in every 5,332 boys born was named Denny. STABLE Recent data shows the name is currently stable.