Former Owner
- Marcantonio Contarini1
- Marcantonio V Borghese1
- Marcel Mirgodin1
- Marcela Gabriela1
- Marchese Porri-Carcani1
- Marco Antonio Morosini1
- Marco da Bologna1
- Margaret Anna Hazard1
- Margaret F. Woodward1
- Margaret Le Seigneur1
- Margaret of Croy1
- Margareta van der Dycke1
- Margaretha van Cleyburg1
- Marguerite de Belleville1
- Marguerite de Fontenay1
- Marguerite of Lorraine1
- Maria Ludovica Favia del Core Borromeo1
- Maria Riddell1
- Marianne F. ???1
- Marie Ange-Toussaint Placide de Ferron1