FamilySearch has Hannah's name as Hannah Dow- KG4S-H7X, also many trees on Ancestry have her as Hannah Dow, but there are conflicting dates with the sources, so I'm not sure if there are multiple Hannah's or she is the wrong Hannah.
Year: 1860; Census Place: Boothbay, Lincoln, Maine; Roll: M653_442; Page: 1006; Family History Library Film: 803442
Residence Post Office: North Boothbay
Year: 1860; Census Place: Boothbay, Lincoln, Maine; Roll: M653_442; Page: 1006; Family History Library Film: 803442
Maine State Archives; Cultural Building, 84 State House Station, Augusta, ME 04333-0084; Pre 1892 Delayed Returns; Roll Number: 50