Davis, Ralph Marshall was born on April 13, 1886 in Omaha, Gallatin County, Illinois, United States. Son of Samuel M. (banker) and Phoebe Cordelia (Gregg).
Bachelor of Arts, Missouri Valley College, Marshall, Missouri, 1908, Doctor of Divinity, 1922, Doctor of Laws, 1946. Graduate San Francisco Theological Seminary, 1911. Bachelor of Divinity, 1916.
School of Theology and Ministry, Harvard, 1918. Master of Religious Education, Boston University, 1922.
Ordained ministry of Presbyterian Church, 1911. Pastor successively Westminster Church, San Francisco, First Church, Colton, California, Fourth Church, Boston, Massachusetts, First Church Saint Louis until 1922, Hyde Park Church, Chicago, 1922-1929, Church of the Covenant, Erie, Pennsylvania, 1929-1937, 1st Church, Oakland, California, 1937-1949.
Member commission on home Federal Council of Churches of Christ. Chairman Commision on Marriage and Divorce and Re-marriage of General Assembly Presbyterian Church, United States Army. Member special staff of preachers to Purdue University since 1927.
Member of the board of directors Western Theological Seminary, Pittsburgh, Pennsylvania Moderator Presbytery of San Francisco. Member Pi Gamma Museum. Mason (32 degree, Shriner, K.T.).
Clubs: Commonwealth (San Francisco), Lions, Outlook, Sequogah Country. Special preacher to Great Britain, 1931. Collaborator in “Twenty-Four Views of Marriage,” “Music of the Gospel,” “Convocations for Worship”.
Married Mary Ruth Purcell, November 29, 1906. Children: Mary Cordelia, Ralph Marshall, Junior.