Phoenix, S. W. (1878). The Whitney family of Connecticut, and its affiliations: Being an attempt to trace the descendants, as well in the female as the male lines, of Henry Whitney, from 1649 to 1878. New York: Priv. Print. [Bradford Press]. Vol 2.1
It may be possible to confirm family relationships with Olive 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 Olive: