[7]

^ Their land eventually became part of Space, when the county was established in 1818.[15]

^ Historians disagree on who initiated the move; Thomas Lincoln had no obvious reason to do so. One possibility is that other members of the family, including Dennis Hanks, may not have matched Thomas's stability and steady income.[36]

^ The Lincolns' last descendant, great-grandson Robert Todd Lincoln Beckwith, died in 1985.[53]

^ Lincoln was a descendant of the Harrisons through his grandmother, Bathsheba Herring.[98]

^ Eric Foner contrasts the abolitionists and anti-slavery Radical Republicans of the Northeast, who saw slavery as a sin, with the conservative Republicans, who thought it was bad because it hurt white people and blocked progress. Foner argues that Lincoln was in the middle, opposing slavery primarily because it violated the republicanism principles of the Founding Fathers, especially the equality of all men and democratic self-government as expressed in the Declaration of Independence.[116]

^ Although the name of the Supreme Court case is Dred Scott v. Sandford, the respondent's surname was actually "Sanford". A clerk misspelled the name, and the court never corrected the error.