It may be possible to confirm family relationships with Annie 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 DNA with Annie:
Her father is a different Charles L Roach per "United States Census, 1860", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZBH-MLY : 14 December 2017), Ann A Roach in entry for Charles L Roach, 1860. He was born in 1821