Marshall, Thomas Chalmers was born on October 20, 1868 in Wilkingsburg, Pennsylvania, United States. Son of of James Abrahm and Ellen Boyd (Trimble) M.
Bachelor of Arts, Lafayette College, 1888, A.M., 1891. University of Edinburgh, 1888-1889. Western Theological Seminary, Allegheny, Pennsylvania, 1889-1890.
Graduate Princeton Theological Seminary, 1892. Post-graduate work Columbia (South Carolina.) Theological Seminary, 1896-1897. Church Division School of the Pacific, California, 1902-1903.
Ordained Presbyterian ministry, 1892. Pastor Lake Crystal and Amboy (Minnesota), Auburndale and Winterhaven (Florida), Ojai Valley (California). Deacon, 1902, priest, 1903, Protestant Episcopal Church.
In charge St. Peter’s Church, Redwood City, California, 1902-1904. Founded Neighborhood Settlement, Los Angeles, 1904, Episcopal City Mission Society, 1908, Commision on Philanthropy and Social Service, 1910. Archdeacon Diocese of Los Angeles, 1911-1920.
Rector St. Paul’s Church, Pomona, California, 1915-1918, St. Athanasius Church, Los Angeles, 1918-1927. Director Community Welfare Federation (Community Chest), 1925-1927. President Los Angeles Alliance of Social Agencies, 1921-1924.
Secretary and chaplain, Hospital Good Samaritan, since 1912. Los Angeles California‡.
Married Margaret Steiger, September 28, 1897. Children: Margaret Van Patten, Ellen Trimble, Thomas Riley.