Searching for someone else?
It may be possible to confirm family relationships with John Allen 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 John Allen:
Crabtree-2255 and Crabtree-1553 appear to represent the same person because: It appears this is the same person. I cannot see the dates you have for the birth and death, but on Family Search it appears to be the same person. The death record states his mothers maiden name was Vorhees however.