Sea nymph or mermaid
Narissa is a variant of the Greek name Nerissa, famously created by William Shakespeare for a character in 'The Merchant of Venice'. It is derived from the Greek word 'neron', which refers to water or the sea, specifically associated with the Nereids or sea nymphs.
Less common today
Narissa isn't in the latest US Top 1000. It last peaked at #4,108 in 1996.
The villainous Queen and sorceress Β· Enchanted
Portia's clever confidante and lady-in-waiting Β· The Merchant of Venice
US births per 5-year period, 1990βpresent (SSA data).