| Name | # Entries |
|---|---|
| Gasa | 57 |
| Gillan | 56 |
| Gelderblom | 55 |
| Gosling | 55 |
| Greef | 54 |
| Gow | 54 |
| Guise | 54 |
| Grimwood | 54 |
| Gabriels | 53 |
| Gedye | 53 |
| Grimmer | 53 |
| Guo | 53 |
| Goulding | 53 |
| Garcia | 52 |
| Glasson | 52 |
| Global | 52 |
| Gwala | 52 |
| Greening | 51 |
| Grover | 51 |
| Gee | 50 |
| Goolam | 50 |
| Glynn | 49 |
| Gregan | 48 |
| Gillman | 48 |
| Gardyne | 48 |
| Genet | 48 |
| Gagiano | 48 |
| Garrick | 47 |
| Ganie | 46 |
| Gradwell | 46 |
| Grimbeek | 46 |
| Gudsell | 45 |
| Guerin | 45 |
| Gubb | 45 |
| Graaff | 45 |
| Goodfellow | 44 |
| Goldie | 44 |
| Gush | 44 |
| Geduld | 44 |
| Gerard | 44 |
| Gadsby | 43 |
| Gross | 43 |
| Grundling | 42 |
| Garratt | 41 |
| Gooding | 41 |
| Goldstein | 41 |
| Goodyear | 41 |
| Guild | 41 |
| Gibb | 41 |
| Gerrand | 40 |
| Gillies | 40 |
| Gunn | 40 |
| Greenhalgh | 40 |
| Govan | 40 |
| Gribben | 40 |
| Gopal | 40 |
| Ganley | 40 |
| Goldman | 40 |
| Gelderbloem | 39 |
| Gillon | 39 |
| Guardian | 39 |
| Going | 39 |
| Gilmour | 38 |
| Gracie | 38 |
| Guy | 38 |
| Glanville | 38 |
| Garry | 38 |
| Gent | 38 |
| Geraghty | 38 |
| Gin | 38 |
| Gardener | 38 |
| Gangat | 37 |
| Giliomee | 37 |
| Goodger | 37 |
| Gebbie | 36 |