There was a Mary, born in Michigan, married to Michael who in the 1930 Toledo census lived at 1683 Belmont. The other Mary and Stanley lived up the street at 1703 Belmont. Maybe Michael and Stanley were brothers.
This is the other Mary, Michael's wife: Name: Mary A, Czlapinski Birth Date: Est. 1888 Gender: Female Race: White Residence City: Toledo Residence County: Lucas Residence State: Ohio Residence Country: United States Death Date: 26 Jun 1960 City of Death: Toledo County of Death: Lucas Certificate: 44970 Age at Death: 72 Certifier: Physician Autopsy: Yes, used for certification Marital Status: Widowed
I will check for her obit on my next trip to the library.