William Henry Trevellick to William Trevelyan - 1911 Census household returns
- William Henry Trevellick
- Samuel Walter Trevellin
- George Trevellion
- Mary E Trevellyan
- William Henry Trevellyan
- Mary Ann Trevellyn
- Louis Victor Eugene Trevellyon
- Isaac Orchard Trevelt
- Lewis Edward Treveltham
- Adolphus Frederic Trevelyan
- Alice Trevelyan
- Arthur Trevelyan
- Arthur Trevelyan
- Arthur Trevelyan
- Charles Trevelyan
- Charles Philips Trevelyan
- D Arcy Trevelyan
- Edmond Fauriel Trevelyan
- Edward Trevelyan
- Eleanor Trevelyan
- Eliza Trevelyan
- Elizabeth Trevelyan
- Elizabeth Trevelyan
- Ellen Trevelyan
- Ernest Bishop Trevelyan
- Ernest John Trevelyan
- Etheldudee Trevelyan
- Eugene Trevelyan
- Fanny Rosalind Trevelyan
- Frederick Trevelyan
- Freeman Trevelyan
- George Otto Trevelyan
- George Philip Trevelyan
- Harry Trevelyan
- Harvey John Trevelyan
- Henrietta Trevelyan
- Henry Trevelyan
- Henry Trevelyan
- Henry Trevelyan
- Henry Otto Trevelyan
- Henry Willoughby Trevelyan
- Herbert Trevelyan
- J H Trevelyan
- James Trevelyan
- James Trevelyan
- James Trevelyan
- Janet Penrose Trevelyan
- John Trevelyan
- John Trevelyan
- John Trevelyan
- John Trevelyan
- John Trevelyan
- John Charles Trevelyan
- John G Trevelyan
- Margaret Emily Trevelyan
- Marion Adelaide Trevelyan
- Martha Trevelyan
- Mary Trevelyan
- Mary Jane Trevelyan
- Richard Trevelyan
- Robert Trevelyan
- Samuel Trevelyan
- Samuel Trevelyan
- Sidney John Trevelyan
- Thomas Trevelyan
- Thomas Trevelyan
- Thomas Trevelyan
- Walter Trevelyan
- Walter Raleigh Trevelyan
- William Trevelyan
- William Trevelyan