Nessa f
1 English: originally a short form of Agnessa, a Latinate form of AGNES (SEE Agnes). In modern use in the English-speaking world it is more often a short form of VANESSA (SEE Vanessa), and is also used as an independent given name.
3 Jewish: apparently from Hebrew nes banner, miracle.
Pet form: Nessie.
First names dictionary. 2012.