Which were the maiden names of Wilma Flintstone and Betty Rubble?

The famous animated American television sitcom “The Flintstones” was broadcast from September 30, 1960, to April 1, 1966, on ABC and is a juxtaposition of modern everyday concerns in the Stone Age setting.“The Flintstones” was about Fred, a working-class Stone Age man and his family life, as well as his friendship with the next-door neighbour Barney.

Basic figures in the sitcom are the wives of Fred and Barney. Wilma was Fred’ s wife and her maiden name was Wilma Slaghoopal and Betty  was Barney’ s wife and her maiden name was Betty Jean McBricker.