Larryisalittledog's list "Favorite Girl Names Outside of the Top 1000" of 3 great name ideas: Tiggy - Wynn!

Favorite Girl Names Outside of the Top 1000

An energetic nickname name occasionally encountered in England, particularly among Telegraph-reading circles. It is traditionally short for Antigone, but nowadays it's just as often bestowed as a standalone name.
 
A notable bearer is the former nanny of Princes William and Harry, Tiggy Legge-Bourke, who was actually born Alexandra.

Tiggy

This Latin word used for evening spiritual services was introduced to baby namers by the Eva Greene character Vesper Lynd in the modern James Bond film Casino Royale in 2006, based on the Ian Fleming novel, and is just now beginning to provoke interest among namers, with its spiritual reference and soft, whispery sound.
 On a more earthly note, the 'Vesper Martini' is the famous drink ordered by James Bond in both the book and the movie Casino Royale.
 A name likely to enter the Top 1000.

Vesper

Wynn is an attractive Welsh name, originally male but now also used for girls outside of Wales. The authentic feminine version would be Gwen, which derives from the same very productive gwyn element, making it a relative of all Welsh names ending -wyn or -wen, as well as the Irish Fin- names. 

 Wynn is a soft and gentle yet sturdy choice which lends itself to sweet nickname Winnie or Wynnie.