It may be possible to confirm family relationships with Wellington by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree:
Can anyone find/confirm Wellington's death between 1881 and 1891 census?
My assumption is that he died between census years as father William's 1912 obit mentioned 3 sons in the family, all surviving William, which accounts for Archibald, Robert and William.
Wellington is 21 degrees from Barbara Bush, 20 degrees from Amelia Earhart, 27 degrees from Kenneth Evans and 20 degrees from Queen Elizabeth II Windsor on our single family tree. Login to find your connection.