| Name | # Entries |
|---|---|
| Govender | 2864 |
| Green | 2026 |
| Gray | 1802 |
| Graham | 1508 |
| Gordon | 1495 |
| Grant | 1358 |
| Gibson | 1325 |
| Groenewald | 1028 |
| George | 972 |
| Grobler | 767 |
| Gardiner | 630 |
| Gardner | 609 |
| Griffin | 607 |
| Gibbs | 600 |
| Geldenhuys | 589 |
| Gilbert | 566 |
| Gill | 543 |
| Gerber | 529 |
| Greyling | 456 |
| Gallagher | 428 |
| Gregory | 421 |
| Goosen | 404 |
| Grange | 393 |
| Grobbelaar | 389 |
| Giles | 372 |
| Gibbons | 362 |
| Gumede | 349 |
| Greeff | 340 |
| Glover | 335 |
| Gouws | 330 |
| Gounden | 324 |
| Grace | 322 |
| Gould | 317 |
| Godfrey | 297 |
| Greig | 294 |
| Greenwood | 292 |
| Goodall | 288 |
| Goodman | 275 |
| Garrett | 264 |
| Good | 251 |
| Goddard | 233 |
| Gilchrist | 224 |
| Greer | 216 |
| Goliath | 210 |
| Galloway | 206 |
| Grove | 197 |
| Glass | 196 |
| Gough | 191 |
| Gilmore | 187 |
| Griffiths | 176 |
| Gamble | 172 |
| Grieve | 172 |
| Galbraith | 168 |
| Garner | 163 |
| Greene | 157 |
| Golden | 156 |
| Gower | 155 |
| Gates | 150 |
| Gani | 146 |
| Gleeson | 145 |
| Gounder | 145 |
| Graan | 143 |
| Greaves | 143 |
| Gore | 141 |
| Gale | 139 |
| Garland | 138 |
| Gavin | 137 |
| Gemmell | 134 |
| G | 132 |
| Golding | 131 |
| Groves | 128 |
| Govindsamy | 128 |
| Gillard | 127 |
| Grainger | 126 |
| Grigg | 126 |