William H Tredinnick to Frances Trevett - 1881 Census household returns
- William H Tredinnick to Joseph T Tredwell
- Justin Tredwell to Edward Tree
- Edward J Tree to John W Tree
- Joseph Tree to James Treeby
- James Treeby to James Treemeer
- John J Treemeer to William Treencor
- Matilda Treent to William Treewick
- Robert Trefeler to James Tregar
- James H Tregar to William Tregaskis
- William H Tregaskis to William Stephens Tregear
- William T Tregear to William H Tregenna
- James Tregensa to Alice Tregidge
- Eliza Tregidge to Mary Tregloan
- John Treglohan to Eliza Tregoning
- Elizabeth Tregoning to Elizabeth Tregonning
- Emily Tregonning to Thomas J Tregurtha
- William Tregurtha to Emma Treharne
- Evan Treharne to Stephen Treharne
- Thomas Treharne to Peter Elias Trehen
- William Trehene to William Treherne
- William Treherne to William Trelease
- William J Trelease to William Treleaven
- William Treleaven to Fanny Trelfall Or Telfall
- James Trelfalle to Ann Treloar
- Ann Treloar to Maria Treloar
- Mary Treloar to Elizabeth Trelwing
- Ralph Trelwing to Thomas Tremain
- Thomas Tremain to Arthur Tremayne
- Charles F Tremayne to Eliza Trembath
- Eliza J Trembath to Mary A Trembath
- Mary Ann Trembath to George Tremble
- Henry Tremble to Henry Trembling
- James Trembling to Elizabeth Tremellon
- Elizabeth Tremells to Elias Tremlett
- Elias Tremlett to Thomas Tremlett
- Thomas Tremlett to Henry Trenaman
- Henry J Trenaman to George Trench
- Isabella Trench to George Trenchard
- George Trenchard to William Trenconon
- Albert Trend to John Trendell
- Joseph Trendell to Eliza Trenerry
- Eliza Trenerry to James Arthur Trenfield
- Jane Trenfield to Joseph Trengrove
- Mary Ann Trengrove to Jesse Trenmeer
- Elizabeth Trennell to Charles W Trent
- Charles William Trent to Walter Trent
- Walter Trent to Robert Trenwith
- Stephen P Trenwith to Henry Tresawna
- Harry J Tresby to Inkerman Tresidder
- James Tresidder to Thomas Tresidder
- Thomas Tresidder to Loveday Tresize
- Orchard E Tresize to Samuel Tressler
- Samuel Tressler to Chrisp Trethew
- Alfred Tretheway to Joseph Trethewey
- Joseph Trethewey to Charles Trethowan
- Clarainda Trethowan to John Trett
- John Trett to William Trevalion
- William A Trevallian to William Trevarthen
- William Trevarthen to Edgar Trevatt
- George Trevatt to William Trevelyen
- W P Rev Trevelyn to William H Trevena
- William Hy Trevena to Eliza Treverton
- Elizabeth Treverton to John Trevethan
- John Trevethan to Frances Trevett