Gertie Davis (b. est. 1876 New York), was the adopted daughter of Harriet Tubman and her second husband, Nelson Davis.
Harriet Tubman Underground Railroad State Park (From "Harriet Tubman, Portrait of an American Hero - Bound for The Promised Land" By Kate Clifford Larson). Maryland.gov. Timeline.
↑ "United States Census, 1880," images, Harriet Davis in household of Nelson Davis, Fleming, Cayuga, New York; citing enumeration district 20, sheet 47D, NARA microfilm T9 (DC: NARA, n.d.), roll 0814; FHL microfilm 1,254,814.