Ancestry DNA matches to Brumfield line go back to Isaac Brumfield > John B. Brumfield > Charles Brumfield > DNA match skips father, John Brumfield but goes to Charles' mother, Elizabeth Patton and her parents, William "Commander of Ship Davy from Amsterdam/Cowes, 25 Oct 1738" PATTON, B. 1690, D. BET. 5 SEPT 17 - 29 DEC 1742, Chester, PA & wife, Margaret WOODS, B. ABT. 1703
Myers Family Bible records, MAY Genealogy; Brumfield Genealogy; 1850, 1860, 1880, 1900 US Federal Census Records, Findagrave
It may be possible to confirm family relationships with Lucy 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 Lucy: