My wife's gg grandmother, Belle Eachus, who was born in Iowa, was the gg granddaughter of a Samuel Eachus and Mary Dooley. According to the 1880 US Federal Census for their son William A. Eachus, Samuel was born in Pennsylvania and Mary was born in Maryland. (c.f.
http://www.familysearch.org/Eng/Search/Census/household_reco...). See (
http://www.familysearch.org/Eng/Search/IGI/family_group_reco...) for details on William A.'s family.