Source 1: The History of Fredericksburg and Vicinity by Dr. W.S. Pitts
Spencer Gillett was born in Cattaraugus County, New York in 1828, Son of Joseph Gillett & Candace Hamilton; was marrried to Maria Pratt of Allamakee Co., Iowa in 1858; Came to Fredericksburg Township in 1869, and settled on section 22, west one-half of the southeast quarter. He sold this farm to Levi Miller in 1877 & then went to Kansas. He returned here seven years later. In the meantime, he had taken up the practice of dentistry. He died at the farm of Lemuel Pratt a few years since, leaving no children. His wife married Henry Beaver and went to to North Dakota.
Source 2. Film 1027852, Deeds Book M, for Chickasaw Co Iowa. A.S Gillett is buying the land described in the article above.
Source 3. Index Film: 1005851 Book 18 pg: 57: A.S. Gillett & wife: 3 Nov 1866 Lucas Co. Ohio;