D. and Martha D. Bliss came to Rock County.

The evidence

• “D. and Martha D. Bliss; came to Rock Co. in April, 1859, following farming; started the agricultural implement business in 1869. Married, 'in 1858, Celestia M.”

  1879-history-of-rock-county/25-bios-milton.md, PDF p. 810 / book p. 814

  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