Quick answer
Clarissa is a girl name.
Pronunciation: English /klə.ˈɹɪs.ə/.
Meaning and history
Latinate form of Clarice. This is the name of the title character in a 1748 novel by Samuel Richardson. In the novel Clarissa Harlowe is a virtuous woman who is tragically exploited by her family and her lover. Another literary character by this name is Clarissa Dalloway from the novel Mrs. Dalloway (1925) by Virginia Woolf.
Notes and context
Usage: english, italian