David Marsh Kelly (February 11, 1841 – disappeared January 21, 1916) was an American lawyer and Republican politician.
After serving with the Union Army during the American Civil War, he moved to Appleton, Wisconsin, in 1867 before settling in Green Bay, Wisconsin, the following year.
In February 1916, he was reported to have disappeared, having last been seen on January 21 in his office in Boston, from which he was thought to be taking a train to his home in Sharon, Massachusetts.
[2] He was not found despite an intensive search, including hired detectives, and in September of that year members of his Civil War regiment discussed his disappearance at their annual reunion.
[3] Linwood Cemetery in Haverhill, Massachusetts, has a cenotaph memorial to Kelly.