Mark E. Osterritter

Mark E. Osterritter of Brookline on Monday, December 15, 2025.  Husband of the late Kathleen; beloved father of Luke (Catherine), Jeffrey (Cait), Eric (Kelly) and Cynthia Osterritter; grandfather of Lochlan and Everett.  Brother of Louise Means, James (JoAnn), Susan Melensky (Larry), Cathleen Wargo (Craig), Michael (Susan) and Linda and Patrick Osterritter (Vickie).  Also many nieces and nephews.

Family and friends will be received at Frank F. DeBor Funeral Home, 1065 Brookline Boulevard, 412-561-0380, on Sunday only, 1-5 p.m., where a Blessing Service will be held beginning at 4:30 p.m.

To send flowers to the family or plant a tree in memory of Mark E. Osterritter, please visit our floral store.