Storybook Girls

A Russian and Bulgarian surname that may sound like a given name to English ears, Petrova means "descendant of Peter" (or of Petar or Pyotr: its Bulgarian and Russian forms) and would be unlikely (or at least very, very rarely) used as a first name in its native countries.

Douglas Adams invented this name for a character (aka Tricia) in Hitchhiker's Guide to the Galaxy. It has a nice, trilly sound, and is accessible via its kinship with Gillian/Jillian.

An old-school nickname for a rare biblical gem. Hetty is a more favorable option.