| Name | # Entries |
|---|---|
| Taylor | 2889 |
| Thomas | 2421 |
| Toit | 2246 |
| Turner | 1917 |
| Thomson | 1760 |
| The | 1713 |
| Thompson | 1698 |
| Te | 1173 |
| Theron | 957 |
| Todd | 689 |
| Tonder | 620 |
| Terblanche | 550 |
| Tucker | 499 |
| Tait | 479 |
| Tshabalala | 454 |
| Turnbull | 376 |
| Townsend | 335 |
| Thorpe | 288 |
| Truter | 285 |
| Tomlinson | 256 |
| Theunissen | 242 |
| Taljaard | 235 |
| Tyler | 207 |
| Thorne | 204 |
| Tanner | 193 |
| Thorburn | 172 |
| Tuck | 169 |
| Tate | 167 |
| Trotter | 165 |
| Tong | 159 |
| Titus | 152 |
| Twala | 150 |
| Tasker | 150 |
| Tobin | 146 |
| Thorn | 144 |
| Tonkin | 131 |
| Timms | 126 |
| Telfer | 124 |
| Tang | 121 |
| Trollip | 120 |
| Thiart | 117 |
| Thurston | 112 |
| Tapp | 111 |
| Thwaites | 108 |
| Thomsen | 107 |
| Tyson | 106 |
| Topp | 102 |
| Tran | 101 |
| Top | 100 |
| Tipene | 98 |
| Tau | 94 |
| Temple | 93 |
| Tito | 92 |
| Tarrant | 92 |
| Tulloch | 86 |
| Tod | 84 |
| Toms | 83 |
| Trainor | 82 |
| Travers | 81 |
| Timmins | 80 |
| Tippett | 79 |
| Tapper | 79 |
| Thorp | 79 |
| Tredoux | 78 |
| Tunnicliffe | 77 |
| Thornley | 76 |
| Toerien | 76 |
| Trott | 75 |
| Tindall | 75 |
| Tromp | 75 |
| Tweedie | 75 |
| Telford | 74 |
| Tonks | 73 |
| Tsotetsi | 71 |
| Townshend | 67 |