What is "mama's"

Mama's on Washington Square is a family-owned restaurant in San Francisco, California, located in the Italian district North Beach on the corner of Stockton Street and Filbert Street, across from Washington Square (San Francisco). Founded in 1964, Mama's serves breakfast, brunch, and lunch, and its own baked goods and gift baskets. The restaurant specializes in omelettes, salads, and sandwiches, and sells homemade jam, fresh baked bread, and pastries.