Lord, her watch Thy Church is keeping. H. Downton. [Foreign Missions.] Written for a meeting of the Church Missionary Society, and first published in Barry's Psalms & Hymns, 1867, No. 170, in 3 stanzas of 8 lines, and again in the author's Hymns & Verses, 1873, p. 1. It is also found in the Society for Promoting Christian Knowledge Church Hymns, 1871; Hymns Ancient & Modern, 1875; Thring's Collection, 1882, and many others in Great Britain and America, and ranks with the best of the author's compositions. It is sometimes given as "Lord, Thy Church her watch is keeping," as in Common Praise, 1879, and others.
--John Julian, Dictionary of Hymnology (1907)