Quite the opposite, in fact - his contemporaries commented on his thin, reedy-sounding voice. This website collects some quotes about it:

Lincoln's voice was, when he first began speaking, shrill, squeaking, piping, unpleasant; his general look, his form, his pose, the color of his flesh, wrinkled and dry, his sensitiveness, and his momentary diffidence, everything seemed to be against him, but he soon recovered. --William H. Herndon letter, July 19, 1887

Daniel Day-Lewis took a lot of flak for his portrayal of Lincoln with a high-pitched voice in Lincoln, but it was a lot more accurate than the deep, stentorian voice usually seen.