Find A Grave, database and images (https://www.findagrave.com : accessed 01 September 2019), memorial page for Lewis Davis (20 Dec 1814–25 May 1892), Find A Grave Memorial no. 22792931, citing Linwood Park Cemetery, Boone, Boone County, Iowa, USA ; Maintained by Burt (contributor 46867609) .
It may be possible to confirm family relationships with Lewis by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Lewis: