Denny is a distinctive girls' name in United States, ranking #12471 in 2020 with 7 recorded births. The name reached its all-time peak in 2020 with 7 births ranking #12471. Since 1996, the popularity has increased by 40.0%. In 2020, approximately 1 in every 230,787 girls born was named Denny. RISING Recent data shows the name is currently rising.