In 1860 Josiah Prideaux, aged 37, born in England and wife Elizabeth Prideaux, aged 27, born in England, were with Elizabeth's father Thomas Dunstone (74) of England in the Village of Dodgeville, Iowa, Wisconsin, USA. With them were children (born in Wisconsin) John H. (9), Josiah (7), Mathew (4), James (3), William (1).
In 1870 Josiah Prideaux, aged 45, born in England, lead miner, and wife Elizabeth Prideaux, aged 37, born in England, were living in Dodgeville, Iowa, Wisconsin, USA. With them were children (born in Wisconsin) John (17), apprentice wagon maker, Josiah (16), farm laborer, Mathew (14), farm laborer, James (13), William (11), Thomas (8), Catharine (5), Edward (3), Charley (2m)
In 1880 Josiah Prideaux, aged 56, born in England, married, miner, was in Tilden, Marquette, Michigan. Present were sons William (23) of Wisconsin, miner, and James (21) of Wisconsin, miner.
In 1885 Josiah Prideaux (59) of England was with his son Mathew Prideaux and wife Grace in Breitung, St Louis, Minnesota.