 CONT: In "Donnas Story" Jackie wears a monogram shirt that has  "JSB" for "Jackie S. Burkhart". But, in season 2 "Halloween" when  the gang visits the old school that had been in a fire they read  each others permanent files and Hyde reads Jackies middle name is  "Beulah". In the Finale and other episodes Jackie is referred to as  "Jackie Lee Burkhart".