William Mashburn and Sally Mashburn, his wife, with their children, came to what is now Hickory county, from Kentucky, in 1841. They both died in Hickory county, Mo., William in 1847, and Sally in 1873.
It may be possible to confirm family relationships with Irving by comparing test results with other carriers of his ancestors' Y-chromosome or 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 Irving: