Statistics for occurrence #1 of “Mass.” in chapter 1, page 98 of Thomas Wentworth Higginson, Massachusetts in the Army and Navy during the war of 1861-1865, vol. 2:

... Asst. Engr. July 27, 1864.Actg. 2d Asst. Engr. McIntosh, John L.,N. Y.Mass.Mass.Oct. 19, 1864.Actg. 3d Asst. Engr.Casco.-Oct. 19, 1865.Hon. discharged.Actg. 3d Asst. Engr. McKay, John,-Mass. Mass. May 18, 1861.Actg. Master.Preble.West Gulf.Feb. 6, 1863.Dismissed.Actg. Master. McKendry, William, Mass.Mass.Mass.Sept. 11, 1862.Actg. Ensign.Winona.West Gulf.Aug. 19, 1865.Hon . discharged.Actg. Mas...
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