Jesus, I sing Thy matchless grace. P. Doddridge. [Jesus, the Head of the Church.] This hymn begins in the Doddridge Manuscript, "Jesus, I own Thy matchless grace." It is entitled "Christ our Head” and is undated. It was given with the first line as above in J. Orton's posthumous edition of Doddridge's Hymns, 1755, No. 290, in 5 stanzas of 4 lines, and the title changed to :Christ the Head of the Church,” and again in J. D. Humphreys's edition of the same, 1839. The 1755 text is that in common use.
--John Julian, Dictionary of Hymnology (1907)