John S. Warner was born in Springfield, Mass. in 1784 and came to Prophetstown in 1837. He was a surveyor by profession, and was one of the leading minds of the place from the time he became a resident until his death, which occurred in 1864. He married Miss Sybil Perry in 1806. Mrs. Warner died in 1865. Their children were Irene who married Rev. Wm. Palmer, and is now dead; Ruby, wife of David Underhill, living in Prophetstown and Mary the wife of Alonzo Davis, also living in Prophetstown.

Bent & Wilson History of Whiteside County Pg 383