Namesakes
Fictional Characters from Television:
1 character
Mabel Buchman 1992 Mad About You 
Notable Actors and Entertainers:
1 actor
Mabel Normand 1893-1930
Notable Musicians:
1 singer
Mabel 1996-
Olympic Medalists:
2 silver, 1 bronze
(silver) Mabel Taylor 1904 archery - team
(bronze) Mabel Parton 1912 tennis
(silver) Constance Jeans (a.k.a. Mabel) 1920; 1924 swimming - 4x100 m freestyle relay
Other Royalty:
1 princess
Mabel of Orange-Nassau 2004- Netherlands