Gill

Short form of Gillian, feminization of Julian, Latin

"youthful"

Gill Origin and Meaning

The name Gill is a girl's name meaning "youthful".

Gill and Jill are both medieval short forms of Gillian or Jillian, a feminine form of Julian. The problem with the G spelling is that some people will pronounce it with a hard G, like Gil, the short form of Gilbert. It's easy to see why the J spelling is more popular.