In some hymnals, the editors noted that a hymn's author is unknown to them, and so this artificial "person" entry is used to reflect that fact. Obviously, the hymns attributed to "Author Unknown" "Unknown" or "Anonymous" could have been written by many people over a span of many centuries. Go to person page >
We bless Thee for Thy peace, O God. [For Peace of Heart.] This popular hymn was given anonymously in the American Christian Melodies, 1858, the Songs of the Church, 1862, Songs of the Sanctuary, 1865, and subsequently in many English collections, including Horder's Worship Song, 1905.
--John Julian, Dictionary of Hymnology, New Supplement (1907)
NAOMI was a melody that Lowell Mason (PHH 96) brought to the United States from Europe and arranged as a hymn tune; the arrangement was first published in the periodical Occasional Psalm and Hymn Tunes (1836). Some scholars have attributed the original melody to Johann G. Nageli (PHH 315), but there…