LIS – Mary S. (nee Marowelli) January 14, 2020 age 80 of Cheektowaga, NY. Beloved wife of Robert M. Lis; dearest mother of Richard (Marie Matthews) Balz, Jeffrey Balz and Deborah (Sue Davenport) Balz; step mother of Robert G. (Sheri Gostomski)... View Obituary & Service Information