“The Song of All Songs” was submitted for copyright deposit on December 3, 1863, by D. S. Holmes of New York.
The author of the lyrics is possibly John F. Poole, though none of Foster’s scores credit him. The words of the song appeared anonymously in Pastor’s New Irish Songster (New York: Dick and Fitzgerald, 1863). An article in the March 12, 1864, New York Clipper states that Tony Pastor claimed the song was written by Poole expressly for Pastor.
According to Evelyn Foster Mornweck’s The Chronicles of Stephen Foster’s Family: