In 1914, the ballpark opened under the name Athletic Field. The name was changed on August 25, 1947, to honor James "Doc" Ainsworth, a longtime adviser of Erie's youth. Babe Ruth, along with Ruth's All-Stars visited the ballpark in 1923 to play an exhibition game against the Erie Moose Club.
The ballpark opened as Athletic Field in 1914 and was renamed in honor of James "Doc" Ainsworth on August 25, 1947. Babe Ruth and his All-Stars played a game against the Erie Moose Club at the ballpark in 1923.