Trefens 1311 (Gover, 1948)
Trefens 1327 (messuage, lands and tenements in the villa de Trefens)(*RIC, HU/15/28, 1327)(Gover, 1948) [Charles Henderson considered this deed a later forgery but if so it is a competent one]
Trefyns1327 (messuage or tenement, of Robert de Trefyns, in villa de Trefyns)(*RIC, HU/15/6, 17th century, citing from 1327)
Treveyns 1327 (given in the personal name Robert de Treveyns)(*RIC, HU/15/3, 16th century, citing from 1327)
Trevyns 1327 (given in the personal name Robert de Trevyns)(*RIC, HU/15/2, early 17th century, citing from 1327)
Trefens 1352 (Gover, 1948)
Trefyns 1356 (Gover, 1948)
Trevens 1410 (messuage, lands and tenement of William Trevens, in the villa de Trevens)(*RIC, HU/15/7, 1410)
Trevins 1426 (*RIC, HU/15/8, 1426)
Trevyns 1426 (villa)(*RIC, HU/15/8, 1426)
Trefens 1456 (Richard and Joan Treffens to Alan Trefens, their son, of eight acres of land and messuage)(*RIC, HU/15/10, 1456)
Treffens 1456 (Richard and Joan Treffens to Alan Trefens, their son, of eight acres of land and messuage)(*RIC, HU/15/10, 1456)
Trefyns 1493 (given in the personal name Henry Trefyns)(*RIC, HU/15/11, 1493)
Trevyns 1498 (villa)(*RIC, HU/15/12, 1498)
Trefens 1509 (*RIC, HU/15/13, 1509)
Trefyns 1509 (*RIC, HU/15/13, 1509)
Trevyns 1509 (*RIC, HU/15/13, 1509)
Trevyns 1516 (Gover, 1948)
Treffyns 1516 (messuage, lands and tenements of Henry Treffyns in the ville de Treffyns)(*RIC, HU/15/18, 1516)
Trefyns 1516 (*RIC, HU/15/20, 1516)
Treffens 1521 (*RIC, HU/15/21, 1521)
Trefyns 1521 (*RIC, HU/15/21, 1521)
Trefence 1521 (given in the personal names Henry Trefence and Alan Treffence)(*RIC, HU/15/22, 1521)
Treffence 1521 (given in the personal names Henry Trefence and Alan Treffence)(*RIC, HU/15/22, 1521)
Trevennys 1521 (given in the personal name Henry Trevennys)(*RIC, HU/15/21, 1521)
Trefyns 1522 (tenements and lands of Henry Trefyns)(*RIC, HU/15/23, 1522)
Trevence iuxta gueddn[ap] 1522 (messuage and lands, of Henry Trevence)(*RIC, HU/15/24, 1522)
Trevyns 1522 (mesuage)(*RIC, HU/15/26, 1522)
Treffyns 1531 (given in the personal name Margarett Treffyns)(*RIC, HU/15/28, 1531)
Trevyns 1531 (mesis, lands and premises)(*RIC, HU/15/28, 1531)
Trevins 1536 (given in the personal name Henry Trevins)(*RIC, HU/15/30, 1536)
Trevyns wartha 1547 (Thomas Condorowe to Martin Beauchamp)(*RIC, HU/15/31, 1547)
Trevynse 1550 (*RIC, HU/15/32, 1550)
Trevynse Wartha 1550 (Philip Chycose to Martin Beawchamppe of messuage, lands and tenements)(*RIC, HU/15/32, 1550)
Trevyns 1564 (William Bonevylle and Margaret, his wife, the relict of Martin Beauchampe to John Beret [signed Barrett] of St Mabyn and John Braye [signed Bree] of Camborne of messuage, lands and tenements in villis de Trevyns)(*RIC, HU/15/34, 1564)
Trevyns wartha 1568 (Agnes Condorowe and William, her son, to William Bonfylde of messuage, lands and tenement)(*RIC, HU/15/36, 1568)
Treffyns wartha 1578 (messuages, lands and tenements, mortgaged by William Bonevill to William Beauchampe of Pensance)(*RIC, HU/15/37, 1578)
Treffyns 1579 (of William Boneville)(*RIC, HU/15/39, 1579)
Treffyns wartha 1579 (William Boneville de Treffyns to William Beauchamp de Penzance of messuage, lands and tenement purchased of William and Agnes Condorowe de Trurowe)(*RIC, HU/15/39, 1579)
Trefyns alias Trevyns 1585 (Edmond Lukye de Medishall to William Beachampe of messuages, lands and tenements)(*RIC, HU/15/40, 1585)
Trewins 1586 (*RIC, HendCal 5, c.1920s, §704, citing from HB/13/26, 1586)
Trevins wolas 1589 (William Tubb to William Beauchampe of lands and tenements)(*RIC, HU/15/44, 1589)
Trefyns 1615 (*RIC, HendCal 5, c.1920s, §1023, citing from HB/11/16, 1615)
Trevyns 1628 (messuages and lands)(*RIC, HU/15/45, 1628)
Trefyns 1650 (of John Beauchamp)(*RIC, HU/15/47, 1650)
Trevins 1650 (John Trefusis to John Beauchamp of Trefyns of messuage, lands and tenements called Trevins)(*RIC, HU/15/47, 1650)
Trefins 1694 (of William Beauchampe)(*RIC, HU/15/48, 1694)
Trefuins 1711 (of William Beauchamp, also dwelling house lately built by John Perra)(*RIC, HU/15/49, 1711)
Trefince 1731 (*RIC, HU/15/50, 1731)
Trefince 1773 (of Francis Beauchamp)(*RIC, HU/15/52, 1773)
Trevince 1791 (*CRO, P79/3/1, 1791)
Little Trevince 1791 (*CRO, P79/3/1, 1791)
Trevince 1840 (tenement)(CRO, P79/27/2 (TA), 1840)
Trevince 1884 (the seat of E B Beauchamp, Esq, JP, including the plantation and waste, 289 acres. This seat, and the lands attached, including Pengreep, were the property of the Beauchamp family of ancient days)(Symons, 1884)
Trevince 2003 (OS, 1:25000, 2003)