Dreamy Water Maiden

An offbeat possible replacement for the overused Melissa and Marisa, Nerissa was used by Shakespeare for Portia's witty confidante in The Merchant of Venice. Queen Elizabeth has a cousin named Nerissa.

American parents are just becoming aware of Welsh names like this one, similar to Carys, which was chosen by Welsh-born Catherine Zeta-Jones.

Like its cousin Tessa, Nessa -- a shortening of Vanessa or Agnes or Anastasia among other possibilities -- is an attractive nickname that can stand on its own.

Niloufar is a gorgeous Persian name used in Iran, Turkey (as Nilüfer), and Azerbaijan. It has many alternate spellings including Nilofar, which is used by Urdu speakers.

Nimue (Lady of the Lake) is the ruler of Avalon in the Arthurian legend. Nimue plays a pivotal role in many stories, including giving King Arthur his sword Excalibur, enchanting Merlin, and raising Lancelot after the death of his father.

If you love Dixie, Trixie and Pixie, this name of a mermaid-like sprite in German folklore may be for you. It might also make an update for Nicki.

Noemi is a charming Latin spin on Naomi, with the accent on the last syllable; another twist is Neomi.

Noreen's in limbo, especially now that Nora has made a comeback.

Odessa, a Ukrainian port city, was given its name by Catherine the Great, who was inspired by Homer's Odyssey. It would make an original and intriguing choice.

Odette is the good swan in Tchaikovsky's ballet Swan Lake, a role for which Natalie Portman won an Oscar ---and it would make a particularly soigne, sophisticated yet upbeat choice, unlike some of the more dated other 'ette'-ending names.

A gem named for its green hue.

Mythological spirit of the waters; spelled Undine, she was an Edith Wharton heroine.

Oona is a name made famous by Eugene O'Neill's daughter, who became Charlie Chaplin's wife. One of the original Oona's granddaughters was named after her, and is now an actress famous in her own right for playing Talisa of Volantis in HBO's "Game of Thrones." The double-o beginning gives their name a lot of oomph.

Opal is on the verge of a repolishing, following other jewel names like Ruby and Pearl. A Top 100 name during the first two decades of the twentieth century, the opalescent Opal has a good chance of coming back as another O-initial option.