Engard was a minister. His Oh, Speak to Me, My Savior was published in Philadelphia, Pennsylvania, in 1881.
We speculate he might be Joseph M. Engard, who was a Methodist Episcopal pastor in Tansboro, New Jersey, in 1880.
In addition, a Joseph M. Engard wrote the words to In Memoriam (on the Death of General U. S. Grant), 1885.
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