JILL

Jill is an English feminine given name, often a short form of the name Gillian or Jillian, which in turn originated as a Middle English variant of Juliana. Jill was such a common name that it had an everygirl quality, as in the 15th century English nursery rhyme Jack and Jill. By the 17th century, the name had become a term for a "common street jade", implying promiscuous sexual behavior, and decl... (Wikipedia)