Tomboyish Name/Quotes

"Samantha Carter: You can call me Sam. That's my first name.

Corso: Sam. It's pretty.

Sam: Not really. It's short for Samantha.

Corso: Even prettier. So what does it mean - "Samantha?"''

Sam: That my father wanted a boy."

- Stargate SG 1, offering one possible explanation for this trope.