| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 421 | Gautier | French | French form of Walter. | M | |
| 422 | Gaylord | French | From the Old French, meaning high-spirited. Used as both a surname and given name. | M | |
| 423 | Geffrey | French | Peaceful. See also Jeffrey. | M | |
| 424 | Geoff | French | Peaceful. Abbreviation of Geoffrey. | M | |
| 425 | Geoffrey | French | Divine peace. | M | |
| 426 | Gerard | French | Spear strong. See also Jerard. | M | |
| 427 | Germain | French | German, or from Germany. | M | |
| 428 | Germano | French | German. | M | |
| 429 | Geron | French | Guards; guardian. | M | |
| 430 | Gerrard | French | Spear strong. See also Jerard. | M | |
| 431 | Gifford | French | Chubby cheeks. | M | |
| 432 | Gil | French | French form of Julius. | M | |
| 433 | Gilbert | French | Bright lad. | M | |
| 434 | Gill | French | French form of Julius. | M | |
| 435 | Granville | French | From the large town. | M | |
| 436 | Grenville | French | From the large town. | M | |
| 437 | Grosvenor | French | Great hunter. | M | |
| 438 | Guifford | French | Chubby cheeks. | M | |
| 439 | Guillaume | French | The French form of the name William, meaning resolute protector.. | M | |
| 440 | Gustav | French | Royal staff. | M | |