James Hadden came to America and Rock County, locating in Milton.

The evidence

• “P. 0. Milton ; born in Haddingtonshire, Scotland, in 1813; son of James and Elizabeth Hadden ; came to America and Rock Co. in 1856, locating in Milton ; was then $7 in debt, and worked by the day to get a start in life ; settled on the farm he now owns, of 156 acres, in 1866. Married Miss Ann Brown in 1836; they have six living children — James, Christina, Elizabeth, William, Archibald and Ann ;”

  1879-history-of-rock-county/24-bios-johnstown.md, PDF p. 806 / book p. 810

  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