Michael Murphy was born in in 1843.
Michael was 18 years old and probably living in Grand Rapids, Michigan, when he enlisted in Company B on December 10, 1861, at Grand Rapids for 3 years, and was mustered on December 23 at Detroit. (Company B was made up largely of men from Grand Rapids, and many of whom had served in various local militia units before the war, in particular the Grand Rapids Artillery, under Captain Baker Borden, who would also command Company B.) He was absent sick in a hospital in February of 1862 and reported to be in a Washington, DC hospital in January of 1863.
He died of disease on February 1, 1863, in Philadelphia, Pennsylvania, and was originally buried in Mt. Moriah cemetery and subsequently reinterred in Philadelphia National Cemetery: grave 242.
No pension seems to be available.