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The East Riding consisted of the Townships of Asphodel, Belmont and Methuen, Douro, Dummer, Galway, Harvey, Minden, Stanhope and Dysart, Otonabee, and Snowden, and the Village of Ashburnham, and any other surveyed Townships lying to the north.
In 1882, it was defined to consist of the townships of Asphodel, Belmont, Methuen, Douro, Dummer, Burleigh, Anstruther, Chandos, Dysart, Dudley, Harcourt, Guilford, Harburn, Bruton, Havelock, Eyre, Clyde, Nightingale, Livingstone, Lawrence, Cavendish, Glamorgan, Cardiff, Monmouth, Otonabee and Harvey, and the villages of Ashburnham, Lakefield and Norwood.
In 1903, it was redefined to consist of the townships of Anstruther, Asphodel, Belmont, Burleigh, Chandos, Douro, Dummer, Methuen and Otonabee, and the villages of Havelock, Lakefield and Norwood. In 1914, it was redefined of the townships of Anstruther, Asphodel, Belmont, Burleigh, Chandos, Douro, Dummer, Methuen and Otonabee, and the villages of Havelock, Lakefield and Norwood.