Dennise is a distinctive girls' name in United States, ranking #2538 in 1998 with 54 recorded births. This places Dennise in the top 15% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 78 births ranking #2116. In 1998, approximately 1 in every 32,720 girls born was named Dennise. FALLING Recent data shows the name is currently falling.