Tresawson is a farm in the parish of Lanreath, Cornwall, England, UK.Ordnance Survey One-inch Map of Great Britain; Bodmin and Launceston, sheet 186. 1961 There are two other places with similar names: Tresawsan in the parish of Merther and Tresawsen in the parish of Perranzabuloe. The meaning of all three is "Englishmen's farm".Weatherhill, Craig (2009) A Concise Dictionary of Cornish Place-Names. Westport, Mayo: Evertype; p. 75
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