The name Denise is a girl's name of French origin. Denise and is often added to lists like Feminizations and discussed in our forums with posts like "Drop you least favourite (girls with middles)".
From the experts:
Denise was a French favorite of the fifties and sixties but is less chic now. Ranked at Number 991 in the US, it may leave the Top 1000 soon enough.
It ranks Number 104 in Italy.