“Mine Is the Mourning Heart” was entered for copyright on January 17, 1861, and deposited on February 1, 1861, by Daughaday & Hammond of Philadelphia.
On February 1, 1861, Daughaday & Hammond deposited a caption title for the song cut from a January 17, 1861, issue of Clark’s School Visitor, however no copy is known to survive. Like other songs that first appeared in Clark’s, “Mine Is the Mourning Heart” was later published in sheet music form, in this case by Root & Cady in May, 1863.