Sigourney Weaver was born Susan Alexandra Weaver in Manhattan, New
York City, the daughter of Elizabeth Inglis, an English actress, and NBC 
television executive and pioneer Sylvester "Pat" Weaver. Her uncle
Doodles (Winstead) Weaver (below), was a comedian and actor. She 
began using the name “Sigourney Weaver” in 1963 after a minor
character, Sigourney Howard in F. Scott Fitzgerald’s novel The
Great Gatsby.
 

Sylvester Weaver

Doodles Weaver

 
Sigourney in “Ghostbusters” (1984)

Sigourney Weaver as Ellen Ripley in “Aliens”, 1986. She
won an Academy Award nomination for her role.