| Name | # Entries |
|---|---|
| Davis | 1846 |
| Davies | 1821 |
| Dr | 1455 |
| De | 1328 |
| Davids | 1142 |
| Davidson | 1108 |
| Duncan | 1102 |
| Dawson | 1034 |
| Daniels | 927 |
| Douglas | 908 |
| Dixon | 879 |
| Dlamini | 851 |
| Donaldson | 697 |
| Day | 678 |
| Dickson | 603 |
| Dyk | 510 |
| Dreyer | 506 |
| Donald | 503 |
| Dean | 482 |
| Dick | 471 |
| Davey | 466 |
| Delport | 445 |
| Deventer | 398 |
| Dyer | 376 |
| Dobson | 349 |
| Doyle | 344 |
| Daly | 340 |
| Davison | 338 |
| David | 321 |
| Dube | 308 |
| Dale | 302 |
| Drake | 301 |
| Desai | 293 |
| Dennis | 285 |
| Donnelly | 276 |
| Dodd | 272 |
| Dunlop | 270 |
| Dalton | 266 |
| Dawood | 264 |
| Ds | 262 |
| Daniel | 260 |
| Donovan | 259 |
| Duffy | 246 |
| Dippenaar | 242 |
| Diedericks | 236 |
| Dillon | 232 |
| Dickinson | 222 |
| Diamond | 208 |
| Dempsey | 200 |
| Dodds | 193 |
| Dunn | 189 |
| Dwyer | 180 |
| Devine | 174 |
| Denton | 172 |
| Duggan | 171 |
| Dowling | 162 |
| Daya | 159 |
| Downes | 148 |
| Dent | 147 |
| Davy | 145 |
| Davie | 144 |
| Dickie | 142 |
| Dobbs | 142 |
| Delaney | 140 |
| Davenport | 135 |
| Doherty | 133 |
| Downs | 133 |
| D | 130 |
| Downey | 130 |
| Driver | 129 |
| Deacon | 121 |
| Damons | 121 |
| Deane | 120 |
| Dennison | 119 |
| Draper | 118 |