For mercies past we praise Thee, Lord. [Domestic Worship.] Given as "Anonymous" in Longfellow and Johnson's Unitarian Book of Hymns, 1846, in 4 stanzas of 4 lines. It was repeated in their Hymns of the Spirit, 1864, and the Boston Hymn & Tune Book, 1868.
--John Julian, Dictionary of Hymnology, Appendix, Part II (1907)