"BETTY" [Elizabeth Willis] - (Betty is a nickname, not the legal given name)., "BETTY" [Elizabeth Wills] - (Betty is a nickname, not the legal given name)., "BETTIE" [Elizabeth Willis] - (Bettie is a nickname, not the legal given name).
Source: Info verified with Riverside Cemetery grave record, thru Findagrave.
Also, matching to FamilySearch data.