"Stetson \s-tet-son, st(e)-tson\ as a girl's name (also used as boy's name Stetson). Possibly (Old English) "Stephen's son". A surname that is given more to boys as a first name, though it has a rakish air for girls due to the famous Stetson "tengallon" cowboy hat worn by cowboys in the late 19th century.
Stetson has 2 variant forms: Stetcyn and Stettson."