South Moreton is a village and civil parish in South Oxfordshire, England, about 3 miles east of Didcot, 4 miles west of Wallingford, and 7 miles south of Abingdon. It is only separated by the Great Western Railway cutting from its twin village of North Moreton, a quarter of a mile to the north. Mortune took its name in the Domesday Book from the houseā¦South Moreton is a village and civil parish in South Oxfordshire, England, about 3 miles east of Didcot, 4 miles west of Wallingford, and 7 miles south of Abingdon. It is only separated by the Great Western Railway cutting from its twin village of North Moreton, a quarter of a mile to the north. Mortune took its name in the Domesday Book from the houses on the ridge above the moor of Hakka's Brook, and was part of Berkshire until the 1974 boundary changes. The 2011 Census recorded the parish population as 420.