- Margaret MacKinnon
- Margaret MacLelland
- Margaret Maddox-Davie
- Margaret Mallatt
- Margaret Mallatt
- Margaret Marie Shelton Kentucky Gir
- Margaret Marshall
- Margaret Marshall
- Margaret Martin Kvamme
- Margaret Mas
- Margaret Mauldin
- Margaret McCartney
- Margaret McClure
- Margaret McDonald
- Margaret Mead
- Margaret Menchaca
- Margaret Menezes
- Margaret Mills
- Margaret Mitchell
- Margaret Mitchell
- Margaret Moore
- Margaret Motsage
- Margaret Muncheimer
- Margaret Munchheimer
- Margaret Munro Tobolowksa
- Margaret Munro Tobolowska
- Margaret Munro Tobolowska
- Margaret Munro Tobolwska