Namesakes
Fictional Characters from Television:
1 character
Edith Artois (a.k.a. Melba) 1982 'Allo 'Allo! 
Notable Musicians:
1 musician/singer
Courtney Barnett (a.k.a. Melba) 1987-
Notable Scientists and Inventors:
1 physicist
Melba Phillips 1907-2004