Erwin died on July 13th2 or 14th3 in Stuttgart, AR and was buried in Lone Tree Cemetery in Stuttgart4 .
"D.C. Erwin, former player and umpire, died at his home in Stuttgart, Ark., July 14th, following a heart attack. Erwin played and umpired in the Southern League, and also did some playing in the International."5
Statistics at Baseball-Reference.com.
1 Erwin's WWI Draft Card
3 The Sporting News, 7/24/1930
5 The Sporting News, 7/24/1930