Meaning and name origin
Dennise \d(e)-nni-se\ as a girl's name is of French origin, and the meaning of Dennise is "follower of Dionysius". Dennise is a variant of Denise (French): feminine of Dennis, from the Greek name Dionysius.
Dennise is a somewhat popular first name for females (#2145 out of 4276, Top 50%) but an uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the girl name Dennise and its variant forms. Popular variation forms ranked in the Top 1000/100 are Denise (#777), Denisse and Denice. (Source: 2014 Birth Name Statistics).