Born: October 29, 1857, Geneseo, New York.
Died: May 13, 1928, Glen Ellyn, Illinois.
Buried: Mount Hope Cemetery, Rochester, New York.
David was the son of David Warner and Phylancy Holt Snethan, and father of Susan L. Warner. He married twice: to Louesa S. Jumph Connor (September 14, 1879), and Verna B. Hanford (August 20, 1913).
He attended rural schools until age 13, and entered the Chili Seminary, North Chili, New York, in 1871 (school later became the A. M. Chesbrough Seminary, then Northeastern Seminary, a graduate theological school under Roberts Wesleyan College). He graduated in 1875, then studied at the University of Rochester (AB 1880, MA 1888).
He joined the Methodist Genesee Conference on trial at Parma Center, New York, in 1885, and was ordained a deacon at Akron, New York, in 1887.
He taught math at Spring Arbor Seminary (1879–83), was principal there (1893–1905), and served on Spring Arbor’s board of trustees until his death.
He was an assistant editor of Sunday school literature for the Free Methodist Church (1905–06), and principal of the A. M. Chesbrough Seminary (1906–08).
If you know where to get a good photo of Warner (head & shoulders, at least 200×300 pixels),