Trewen 1292 (Pool, 1985)
Trewen c.1300 (Gover, 1948)
Trewen 1394 (Gover, 1948)
Daniel de Trewen C14 (Deeds 1902)
Trewen 1451 (Gover, 1948) (Pool, 1985)
Trewen 1668 (Pool, 1985)
Trewidden 1748 (Martyn, 1748)
Trewiden 1757 (*CRO, P133/12/1, 1757) (Bond, 2009)
Trevidden 1782 (*CRO, P133/5/1, 1782) (Bond, 2009)
Trewidden 1806 (*CRO, P133/16b/1, 1806) (Bond, 2009)
Trewidden Vean 1841 (Census, 1841)
Trewidden 1842 (TA 1840) (Pool, 1985)
Great Trewidden 1842 (tenement)(CRO, TA/133, 1842) (Bond, 2009)
Little Trewidden 1842 (tenement)(CRO, TA/133, 1842) (Bond, 2009)
Trewidden Vean 1851 (Census, 1851)
Trewidden 1856 (Kelly's Directory, 1856)
Trewidden Vean 1861 (Census, 1861)
Little Trewidden Farm 1871 (Census, 1871)
Little Trewidden 1876 (OS, 1876)
Little Trewidden 1881 (Census, 1881)
Trewidden 1884 (the seat of Edward Bolitho, Esq, JP)(Symons, 1884) (Bond, 2009)
Trewidden 1890 Weatherhill
Little Trevidden 1891 (Census, 1891)
Trewidden Farm 1995 (OS 1995)
Trewidden Farm 2014 (Appleby, 2014)
Trewidden Bal 2015 (Trewidden Gardens Website, 2015)
Trewidden Gardens 2015 (Trewidden Gardens Website, 2015)