DUNGANNON, a market town of Co. Tyrone, Ireland, 8 m. W. of the south-western shore of Lough Neagh, 103 m. from Dublin by the G.N. railway, with a branch line thence to Cooks town. Pop. of urban district (1926) 3,762. Its early history is that of the O'Neills, whose chief residence was here, and a large rath or earthwork north of the town was the scene of the inaugu ration of their chiefs; but of the family castle and abbey there are no remains. In Dungannon the independence of the Irish parliament (to which the town returned two members) was pro claimed in 1782. The town was formerly corporate and was a parliamentary borough until 1885. The royal school, founded in 1614, was moved to new buildings at the end of the i8th cen tury. Linens, muslin, and coarse earthenware are manufactured, tanning is carried on, and there is trade in corn and timber.