| Name | # Entries |
|---|---|
| Gericke | 126 |
| Geyer | 122 |
| Glen | 120 |
| Gifford | 117 |
| Garden | 114 |
| Goncalves | 112 |
| Greunen | 110 |
| Galvin | 110 |
| Gabriel | 105 |
| Govind | 105 |
| Gri | 105 |
| Garlick | 103 |
| Guest | 101 |
| Gouveia | 101 |
| Gorman | 97 |
| Geyser | 97 |
| Gerrard | 95 |
| Goldberg | 95 |
| Galant | 94 |
| Greenfield | 93 |
| Greyvenstein | 92 |
| Govindasamy | 90 |
| Goble | 90 |
| Gooch | 90 |
| Guthrie | 89 |
| Goldsworthy | 85 |
| Gaskin | 84 |
| Germishuys | 83 |
| Garnett | 82 |
| Gillespie | 82 |
| Gildenhuys | 81 |
| Greenslade | 81 |
| Grey | 79 |
| Grundlingh | 79 |
| Goede | 78 |
| Gama | 78 |
| Granger | 77 |
| Graves | 77 |
| Gorrie | 75 |
| Gillett | 75 |
| Goodin | 75 |
| Greenstone | 73 |
| Gomes | 71 |
| Grice | 71 |
| Groom | 71 |
| Gous | 69 |
| Goode | 68 |
| Gunter | 67 |
| Gilbertson | 67 |
| Gumbi | 67 |
| Gregg | 67 |
| Garton | 66 |
| Griggs | 66 |
| Grantham | 66 |
| Gold | 65 |
| Gallant | 64 |
| Goldstone | 64 |
| Ganesh | 64 |
| Gupta | 63 |
| Godwin | 63 |
| Grie | 62 |
| Gaffoor | 62 |
| Genis | 62 |
| Grayson | 61 |
| Gregor | 61 |
| Gamieldien | 60 |
| Gaskell | 60 |
| Gulliver | 60 |
| Giddens | 59 |
| Gunson | 59 |
| Groot | 58 |
| Goodwin | 57 |
| Gage | 57 |
| Gall | 57 |
| Go | 57 |