| THRING | all | all | J. Thring |
| THRING | Steeple Langford | all | M. Young |
| TITFORD | Wylye | 1650-1850 | J. Ellis |
| TITT | Wylye, Stockton, Upton Lovell, Chitterne, Sherrington, Fisherton, Delamere, Bishopstrow, Wilton, Boreham, Boyton, Warminster, Sutton Veny | c1550 to c1770 | |
| (Frederick) TULLETT | Codford St Peter , all | (mar. 1915, d. WWI) | Tina |
| TROWBRIDGE/TRUBRIDGE | Wishford | all | C. Freeston |
| WESTON (Walter Thomas) | Steeple & Hanging Langford | c1891-1908 | K. Weston |
| WHATLEY | Steeple Langford | all | M. Young |
| WHITE | Norton Bavant, esp Mad Doctors Farm (now High House Farm) | c 1851 | M. White |
| WICKHAM | Upton Lovell?, all | 16-18th centuries | A. Cornish |
| WICKHAM | Heytesbury & Upton Lovell | 1790-1840 | D. Rawlings |
| WITHERS | Codford, Stockton | 15-18th centuries | A. Cornish |
| WITHERS | Wylye, Fisherton | 1840's | M. Seltzer |
| WOODS | all | all | A. Cornish |
| WOOTTON | South Newton, Great Wishford, Little Langford | all | M. Mitchell |
| YOUNG | Wylye | all | M. Young |