Every answer includes one of those
36. Former farmworker could be a haymaker from Ipswich (7,5) (assuming Suffolk ????)
38. Equitorial heath suitable for a darkly dramatic hero (3,4,2,6_)
77. Sounds like the pruncipal seafood of New Englanders (7,5) ( thinking maybe something Maine)
79. Prince's sweater found in the dining-room (6,5,6)
83. Not where Lincoln lived but he did make it here (10.7)