It may be possible to confirm family relationships with Polly by comparing test results with other carriers of her 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 DNA with Polly:
Miller-26196 and Miller-399 appear to represent the same person because: Similar name (she does use Nancy in most censuses), close year of birth (it varies in censuses, but likely closest to 1805), married to same man. Please merge into one profile as per wikitree policy. Thanks.