Martin Merson died near Dallas.

The evidence

• “Leake (corporal, second lieutenant), Stephen W. Lemont, John Lyons, William Mulligan, Martin Merson (died near Dallas, Ky., June 12, 1864), Charles H. Macomber (died at Nicholasville, Ky., January 9, 1863), Charles H.”

  1908-brown-rock-county/16-military-history.md, Vol. 1, PDF p. 379 / book p. 349

  Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.

  Grade A: Found on a page of one of our sources