Joseph Treharne to Julia Trew - 1911 Census household returns
- Joseph Treharne to William Treharne
- William Treharne to Selina Vine Trehearne
- Sydney Trehearne to Sarah Annie Treherne
- Sidney Treherne to John Trelease
- John Trelease to John Jagoe Treleaven
- John Wesley Treleaven to Thomas Trelfa
- Thomas Trelfa to James Treller
- Edward Trellfall to Jane Treloar
- Jane Williams Treloar to William Henry Treloar
- William J Treloar to Elizabeth Oliver Tremain
- Ernest Tremain to William Tremain
- William Tremain to Carmino Tremarco
- William Thomas Tremathoe to Thomas J Tremayne
- Tilly Tremayne to Johanna Trembath
- John Trembath to Alfred Trembeth
- Anne Maria Trembeth to Martha Ann Tremble
- Mary Ann Tremble to Barnet Prince Tremeer
- Charles Tremeer to Sarah Tremelling
- Solomon Tremelling to Charles Tremlett
- Charles Tremlett to John Tremlett
- John Tremlett to William Tremlett
- William Tremlett to Alice Trenaman
- Annie Trenaman to Richard Jennings Trenberth
- Thomas Trenberth to William Trench
- William Trench to Julia Trenchard
- Maria Trenchard to James Anthony Trend
- John Trend to George Trendell
- George Trendell to Louise Tremaine Treneer
- Martha Treneer to Susan Trenerry
- Thomas James Trenerry to John Trenfield
- John Trenfield to Thomas Charles Trengove
- Thomas Charles Trengove to Henry Trenholm
- J T Trenholm to Nicolaus Trennt
- James Trennum to Arthur Trent
- Arthur Edwin Trent to Nelson Trent
- Percy Trent to William Trentham
- William Trentham to Edwin Charles John Trerett
- Benjamin Trerford to Arthur Treseadern
- Thomas Tresedder to Eliza Tresidder
- Elizabeth Tresidder to Stanley Tresidder
- Stephen Tresidder to Joseph Tresise
- Martha Tresise to Thomas Tress
- Thomas Tress to Sarah Trestram
- Gerald Tretam to James Trethewey
- James Trethewey to William Trethewey
- William Trethewey to Thomas Trethowan
- Thomas Trethowan to Raymond Trett
- Richard Trett to Frank Wilkinson Trevalion
- Albert Victor Trevallion to Edward Trevarthen
- Edwin Trevarthen to Matthew Trevaskis
- Matthew Trevaskis to Samuel Trevellick
- William Henry Trevellick to William Trevelyan
- William Trevelyan to Thomas Trevena
- Thomas Trevena to Emma P Treverish
- Elizabeth Ann Trevern to Frederick B Treves
- George Treves to Albert Victor Trevethick
- Ann Trevethick to Ernest Trevett
- Ernest Harry Trevett to John Trevett
- John Trevett to William Trevett
- William Trevett to William Trevin
- William Edward Trevin to William Robert Trevis
- Frank Trevisang to Alfred Wallace Trevitt
- Alice Trevitt to William Henry Trevitt
- William James Trevitt to Edward Trevor
- Edward Angell John Trevor to Henry Trevor
- Henry Trevor to Mary Trevor
- Mary Trevor to Walter Trevor
- Walter Rees Trevor to Henry Trevorrow
- Henry David Trevorrow to Alfred Trew
- Alfred Trew to Frank Trew
- Frank Trew to Julia Trew