Original sheet music is at the Levy collection.

Title: Dreaming of Home & Mother. Song and Chorus.
Composer, Lyricist, Arranger: Poetry and Music by John P. Ordway, M.D.
M. D. Publication: Boston: G.D. Russell & Company, No. 186 Tremont St., 1868.
Form of Composition: strophic with chorus
Instrumentation: piano and voice
First Line: Dreaming of home, dear old home! Home of my childhood and Mother
First Line of Chorus: Dreaming of home, dear old home! Home of my childhood and Mother
Dedicatee: To Charles Henry, Esq.

In Japan, this song is well known as "Ryoshu," which first appeared in a school songbook Chuto Kyoiku Shokashu published in 1907. Click here for the score.