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.

Traditionally a Scottish habitational surname, but today could be viewed as a mashup of Melanie or Melissa and Rose.

Scottish and Irish Mac and Mc surnames are definitely up for consideration, and this one has sports cred via its link to tennis champ John. It was one of the fastest-rising names on Nameberry in early 2018, though this hasn't translated into real-life use yet. We still think it's one of the coolest undiscovered Scottish names for boys.