We are sad to announce that on May 10, 2022 we had to say goodbye to Donald Thomas O'Brien Sr. (Medina, New York). Leave a sympathy message to the family in the guestbook on this memorial page of Donald Thomas O'Brien Sr. to show support.

He was predeceased by : his parents, Francis Edward and Margaret Elizabeth O'Brien (Kelly); his sister Rosemary Cooper (James W.); his parents-in-law, Florence and Howard Gotts; and his brother-in-law John P. Anderson.

He is survived by : his wife Carol G. O'Brien; his children, Donald T. O'Brien, Jr., Patrick M. O'Brien (Sarah), Kellie M. O'Brien (Kimberly LaMendola), Shannon C. O'Brien (Nicole) and Erin P. O'Brien (Rose Marie); his daughter-in-law Terry O'Brien; his grandchildren, Stephen, Amanda, Timothy, Jarrett, Brendan, Mackenzie, Alex, Devon, Jordan and Katherine "Kate"; and his siblings, Francis E. "Bud" O'Brien (Mary Ann) and A. Maureen Anderson. He is also survived by several nieces, nephews, and cousins.

Memorials may be made to Supportive Care of Orleans, http://www.supportivecareorleans.org or a charity of one's choice.

Funeral arrangement under the care of
Cooper Funeral Home