Thomas was born in August, 1853.

The evidence

• “James' Church (Episcopal), Chicago, May 1, 1850^ Miss Eliza Logan, daughter of Hugh Logan, a native of Marysport, Devonshire, England, who died leaving two sons — Wellington, born in July, 1851 ; Thomas, born in August, 1853. Married his present wife.”

  1879-history-of-rock-county/27-bios-fulton.md, PDF p. 842 / book p. 846

  Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.

  Grade A: Found on a page of one of our sources