People : Margit Spencer to Megan Spencer
Marguerite Spencer 4 people
Maria Spencer 25 people
Marian Spencer 7 people
Mariann Spencer 2 people
Marianne Spencer 10 people
Marie Spencer 29 people
Mariel Spencer 2 people
Marilyn Spencer 26 people
Marina Spencer 2 people
Mario Spencer 4 people
Marion Spencer 14 people
Marisa Spencer 3 people
Marjane Spencer 2 people
Marjean Spencer 2 people
Marjie Spencer 2 people
Marjorie Spencer 8 people
Mark Spencer 137 people
Marla Spencer 3 people
Marlena Spencer 2 people
Marlene Spencer 7 people
Marnie Spencer 2 people
Marsha Spencer 5 people
Marshall Spencer 4 people
Martha Spencer 26 people
Martin Spencer 7 people
Marty Spencer 2 people
Marvin Spencer 11 people
Mary Spencer 154 people
Maryann Spencer 3 people
Maryjane Spencer 2 people
Mason Spencer 5 people
Mathew Spencer 6 people
Matt Spencer 8 people
Matthew Spencer 78 people
Mattie Spencer 3 people
Maura Spencer 2 people
Maureen Spencer 9 people
Maurice Spencer 5 people
Max Spencer 4 people
Maxine Spencer 4 people
Maxwell Spencer 3 people
Maya Spencer 2 people
Meaghan Spencer 2 people
Megan Spencer 20 people