“Sweetly She Sleeps, My Alice Fair” was submitted for copyright deposit on March 18, 1851, by F. D. Benteen of Baltimore. The text was an adaptation of Charles G. Eastman’s “Sweetly She Sleeps,” which appeared in Poems of Charles G. Eastman (Montpelier: Eastman and Danforth, 1848).
According to Evelyn Foster Mornweck’s The Chronicles of Stephen Foster’s Family: