William was born in 1814.
"United States Census, 1860", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MWDY-DM7 : 14 December 2017), William Long, 1860.
[1] History of North Dakota ...
This one? "England Marriages, 1538–1973 ," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NVX6-DSC : 10 February 2018), William Long and Mary Lee, 20 Apr 1840; citing Bubwith, Yorkshire, England, reference , index based upon data collected by the Genealogical Society of Utah, Salt Lake City; FHL microfilm 1,068,318.
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Featured National Park champion connections: William is 15 degrees from Theodore Roosevelt, 23 degrees from Stephanus Johannes Paulus Kruger, 14 degrees from George Catlin, 14 degrees from Marjory Douglas, 25 degrees from Sueko Embrey, 16 degrees from George Grinnell, 29 degrees from Anton Kröller, 16 degrees from Stephen Mather, 26 degrees from Kara McKean, 19 degrees from John Muir, 19 degrees from Victoria Hanover and 25 degrees from Charles Young on our single family tree. Login to find your connection.