Statistics for occurrence #1 of “2nd Lieut. Michael McNamara” in chapter 45, page 400 of Waitt, Ernest Linden, History of the Nineteenth regiment, Massachusetts volunteer infantry , 1861-1865:

... 2nd Lieut. Michael McNamara
McKenna, John, priv., (D), May 25, ‘64; 39; sub. W. B. Herrick; abs. pris. since June 22, ‘64. McKenna, Wm. A., pri...
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