People : Marilynn Duncan to Melynda Duncan
Marina Duncan 2 people
Marion Duncan 15 people
Marisa Duncan 2 people
Marissa Duncan 2 people
Marjorie Duncan 14 people
Mark Duncan 77 people
Marla Duncan 3 people
Marlena Duncan 2 people
Marlene Duncan 11 people
Marlon Duncan 5 people
Marrietta Duncan 2 people
Marsha Duncan 8 people
Marshall Duncan 6 people
Martha Duncan 22 people
Martin Duncan 6 people
Marty Duncan 5 people
Marva Duncan 2 people
Marvin Duncan 12 people
Mary Duncan 198 people
Marybeth Duncan 2 people
Marylou Duncan 3 people
Mashawn Duncan 2 people
Mason Duncan 3 people
Mathew Duncan 5 people
Matt Duncan 13 people
Matthew Duncan 79 people
Mattie Duncan 6 people
Maureen Duncan 17 people
Maurice Duncan 6 people
Max Duncan 6 people
Maxine Duncan 3 people
Maxwell Duncan 3 people
May Duncan 2 people
Maya Duncan 2 people
Meagan Duncan 2 people
Meaghan Duncan 2 people
Megan Duncan 22 people
Meghan Duncan 5 people
Mel Duncan 3 people
Melanie Duncan 15 people
Melba Duncan 3 people
Melinda Duncan 27 people
Melisa Duncan 3 people
Melissa Duncan 54 people
Melody Duncan 4 people
Melvin Duncan 9 people