Chalmers was born about 1900. He passed away after 1922.
https://www.familysearch.org/tree/person/details/L29T-HCV [Find a Grave, database and images (https://www.findagrave.com/memorial/98776797/chalmers-lawson-harmon: accessed 06 July 2023), memorial page for Chalmers Lawson Harmon (1899–1968), Find a Grave Memorial ID 98776797, citing Brookville Cemetery, Brookville, Jefferson County, Pennsylvania, USA; Maintained by pcarney (contributor 47051010).] Military Service ["United States, Enlisted and Officer Muster Rolls and Rosters, 1916-1939", database, FamilySearch (https://familysearch.org/ark:/61903/3:1:3Q9M-C3H5-JQ3Q-J?cc=3346936 : 8 May 2023), > image 1 of 1.]
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Featured National Park champion connections: Chalmers is 22 degrees from Theodore Roosevelt, 28 degrees from Stephanus Johannes Paulus Kruger, 21 degrees from George Catlin, 22 degrees from Marjory Douglas, 28 degrees from Sueko Embrey, 23 degrees from George Grinnell, 32 degrees from Anton Kröller, 22 degrees from Stephen Mather, 26 degrees from Kara McKean, 23 degrees from John Muir, 20 degrees from Victoria Hanover and 31 degrees from Charles Young on our single family tree. Login to find your connection.