1841 England Census (surname spelt Truran):
Age given: 44 years
Birthplace: Ludgvan, Cornwall
Address: Puggis, Camborne, Cornwall
Occupation: Miller
Present were wife Mary (55), daughters Grace (20), tailor, Jane (14), dressmaker, grandson William Prideaux (4)
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1851 England Census:
Age given: 66 years
Birthplace: Ludgvan, Cornwall
Address: Cross St., Camborne, Cornwall
Occupation: Miller
William and his wife Mary (68) of Illogan were staying with their widowed daughter Catherine Prideaux and her family.
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William Trewren of Cross Street died aged 68 years (burial record).