| Name | # Entries |
|---|---|
| Granger | 65 |
| Garton | 64 |
| Garnett | 63 |
| Grice | 63 |
| Gilbertson | 62 |
| Guthrie | 62 |
| Giddens | 59 |
| Grayson | 59 |
| Gunson | 59 |
| Goode | 58 |
| Gupta | 58 |
| Gulliver | 57 |
| Gaskell | 56 |
| Gregg | 56 |
| Go | 55 |
| Groom | 54 |
| Guise | 54 |
| Griggs | 53 |
| Gall | 52 |
| Global | 52 |
| Glasson | 51 |
| Gillan | 50 |
| Gosling | 50 |
| Gage | 49 |
| Gold | 49 |
| Govind | 49 |
| Gow | 49 |
| Guo | 49 |
| Gardyne | 48 |
| Gedye | 48 |
| Genet | 48 |
| Garrick | 47 |
| Gounder | 47 |
| Greening | 46 |
| Grimmer | 46 |
| Grimwood | 46 |
| Godwin | 45 |
| Goulding | 45 |
| Gregan | 45 |
| Gudsell | 45 |
| Grantham | 43 |
| Grover | 43 |
| Gadsby | 41 |
| Gerard | 41 |
| Ganley | 40 |
| Glynn | 40 |
| Goodfellow | 40 |
| Goodyear | 40 |
| Guardian | 39 |
| Guerin | 39 |
| Guild | 39 |
| Gerrand | 38 |
| Gillman | 38 |
| Gribben | 38 |
| Gubb | 38 |
| Gillon | 37 |
| Gooding | 37 |
| Geraldine | 36 |
| Gin | 36 |
| Glenfield | 36 |
| Gabier | 36 |
| Garry | 35 |
| Gebbie | 35 |
| Going | 35 |
| Goldsack | 35 |
| Goldstone | 35 |
| Goodger | 35 |
| Garcia | 34 |
| Garratt | 34 |
| Gilberd | 34 |
| Goodson | 34 |
| Govender | 34 |
| Greenhalgh | 34 |
| Gracie | 33 |
| Great | 33 |