Mather was senior warden and vestryman of TRINITY CATHEDRAL, president of FEDERATED CHURCHES OF GREATER CLEVELAND, and a trustee and benefactor of HIRAM HOUSE. During WORLD WAR I he organized the War Chest, donating over $750,000, and receiving the Cross of the Legion of Honor from the French government. In 1919, he helped establish the COMMUNITY CHEST, contributing $100,000 annually, and in 1930 establishing a $1.6 million trust fund to insure its prosperity. Mather married FLORA STONE in 1881 and fathered 4 children: S. Livingston (see SAMUEL LIVINGSTON MATHER), Phillip, Constance, and Amasa Stone. When Mather died, he was the richest man in Ohio. His estate was divided among his children, grandchildren, and daughter-in-law, and various charitable causes. Major benefactors included WESTERN RESERVE UNIVERSITY, UNIVERSITY HOSPITALS OF CLEVELAND, JOHN CARROLL UNIVERSITY, Kenyon College, the Episcopal Church, St. Luke's Hospital of Tokyo, Japan, and the Community Chest. Because of declining stock values in the Depression, the bequests could not be paid. As the value of the estate increased with market improvements, heirs contested the will, since Mather had changed the terms within a year of his death, and some bequests (notably one to WRU) were invalidated.
Mather Family Papers, WRHS.