"United States Census, 1870", database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MDK9-LHV : 29 May 2021), Eva Pierson in entry for Archibold Pierson, 1870.
"Iowa, County Marriages, 1838-1934," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XJF5-VNK : 3 September 2017), Adam Rockey and Eva Edna Pierson, 08 Apr 1884, Des Moines, Polk, Iowa, United States; citing reference p201, county courthouses, Iowa; FHL microfilm 1,014,766.
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Featured National Park champion connections: Eva Edna is 19 degrees from Theodore Roosevelt, 23 degrees from Stephanus Johannes Paulus Kruger, 17 degrees from George Catlin, 18 degrees from Marjory Douglas, 24 degrees from Sueko Embrey, 18 degrees from George Grinnell, 27 degrees from Anton Kröller, 18 degrees from Stephen Mather, 24 degrees from Kara McKean, 17 degrees from John Muir, 22 degrees from Victoria Hanover and 25 degrees from Charles Young on our single family tree. Login to find your connection.