The first FA cup final in 1872 was held on a cricket field? Wanderers v Royal Engineers was held at the Oval. Wanderers won 1-0. In fact in it was held there on most occasions all the way up to 1885.
Wikipedia states, "After the 1873 final was held at Lillie Bridge, the event was held at the Oval until 1892. The 1893 and 1894 finals were respectively held at Fallowfield Stadium in Manchester and Goodison Park in Liverpool, before the event returned to London in 1895, being held at Crystal Palace until the outbreak of World War I. "