Statistics for occurrence #1 of “Major, Surgeon” in chapter 5 of Thomas Wentworth Higginson, Massachusetts in the Army and Navy during the war of 1861-1865, vol. 2:

...rgeon, 58th Mass. Infantry, Apr. 12, 1864. Mustered out, July 23, 1865. First Lieutenant, Assistant Surgeon, 2d Mass. Heavy Artillery, Nov. 9, 1863. Mustered out, Sept. 3, 1865. Major, Surgeon , 23d Mass. Infantry, Sept. 11, 1861. First Lieutenant, Assistant Surgeon, U. S. Volunteers, May 18, 1864. See United States Army. First Lieutenant, Assistant Surgeon, 1st Mass. Cavalry, Se...
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