Sir Francis Barnham was an "English politician who sat in the House of Commons at various times between 1604 and 1646. He supported the Parliamentary cause in the English Civil War." ( 12th great grand niece)
Abraham Lincoln He was the 16th president Of the United States. (13th cousins four times removed)
Clyde Chestnut Barrow An Outlaw that was a leader of the Barrow gang and Married Bonnie Parker while she was married to Roy Thorton In Texas in 1932. (Clyde is 7th cousins three times removed.) (Bonnie is 16th cousins twice removed)
Nicholas Tufton Sir Nicholas baron Tufton Earl of Thanet was knighted by James I on 13 April 1603, and was appointed a justice of the peace in Kent and then a deputy lieutenant in 1623. ( 2nd cousins 14 times removed)
It may be possible to confirm family relationships with Casey by comparing test results with other carriers of her ancestors' mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share some percentage of DNA with Casey: