Strongly Democrat prior to 1948
1948: About even between Truman and Thurmond
1952: Moderately for Stevenson
1956: Moderately for Stevenson
1960: Moderately for Kennedy, with significant support for Byrd
1964: Strongly for Goldwater
1968: Strongly for Wallace, but a significant minority for Humphrey
1972: Moderately for Nixon
1976: Strongly for Carter
1980: Lean Reagan
1984: Strongly for Reagan
1988: Strongly for Bush
1992: Lean Bush, but significant support for Clinton
1996: Lean Dole, but significant support for Clinton
Strongly Republican from 2000 on
Ah-ha! We finally found our Goldwater-Humphrey voters!
Actually, I was only kidding about that. Spot-on, except I would change 1972 to strongly for Nixon.
I wonder if there might be reasons for present-day voters to disapprove of Lincoln for reasons other than Southern/Dixiecrat sympathies?
Most Some Native Americans probably don't approve of his presidency.