Yes
Chuck Connors was married three times. He was married to Elizabeth "Betty" Riddell from 1948-1961; they had four children before their divorce. He then married Kamala Devi in 1963; they divorced in 1972. Finally he married Faith Quabius in 1977; they divorced in 1980. Up until his death in 1992, Connors had a "companion" named Rose Mary Grumley; he called her Rosie.
No, the name Betty is of Hebrew origin, from Elizabeth.
Betty is short for Beth or Elizabeth. There is no masculine form.
A common understanding of the name 'Betty' is that it is a nickname of 'Elizabeth' (not in the case of Betty White who was born a Betty). As Elizabeth, the name appears 9 times in the first chapter of the Gospel of Luke.
Betty Moortgat's birth name is Elizabeth Betty Marzovillo Moortgat.
Andrew Jackson Senior and Elizabeth "Betty" Hutchinson
Elizabeth Wilbur went by Betty.
betty zane died of old age
Betty Bryson's birth name is Meiklejohn, Elizabeth.
Betty Comden's birth name is Cohen, Elizabeth.
Betty Roadman's birth name is Elizabeth Nickell.
Betty Garde's birth name is Garde, Elizabeth.