| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 441 | Gowan | Scottish | A smith. | M | |
| 442 | Graeme | Scottish | This Scottish surname is a variant of the Lincolnshire place name Grantham, meaning Grant's homestead, or farm home, and is also a common given name. Famous bearer: British writer Graham Greene. | M | |
| 443 | Graham | Scottish | This Scottish surname is a variant of the Lincolnshire place name Grantham, meaning Grant's homestead, and is also a common given name. Famous bearer: British writer Graham Greene. | M | |
| 444 | Grahame | Scottish | This Scottish surname is a variant of the Lincolnshire place name Grantham, meaning Grant's homestead, or farm home, and is also a common given name. Famous bearer: British writer Graham Greene. | M | |
| 445 | Grant | Scottish | Originally a Scottish surname derived from the French 'grand', meaning tall or great. Now common both as a surname and given name. Famous bearer: American President Ulysses S. Grant. | M | |
| 446 | Gregor | Scottish | A variant of Gregory, meaning 'on the watch', which gave rise to the name McGregor. | M | |
| 447 | Griorgair | Scottish | Vigilant. | M | |
| 448 | Grizel | Scottish | Scottish form of Grizelda: gray haired. | F | |
| 449 | Grizela | Scottish | Scottish form of Grizelda: gray haired. | F | |
| 450 | Gunn | Scottish | White. | M | |
| 451 | Gunna | Scottish | White. | F | |
| 452 | Hamilton | Scottish | A Scottish surname and place name of one of the great noble families of Scotland, and used as a given name since the 19th century. | M | |
| 453 | Hamish | Scottish | James - in Gaelic, Seumas, Seanius. | M | |
| 454 | Harailt | Scottish | Leader. | M | |
| 455 | Hay | Scottish | From the stockade. | M | |
| 456 | Haye | Scottish | From the stockade. | M | |
| 457 | Henderson | Scottish | Son of Henry. | M | |
| 458 | Henson | Scottish | Son of Henry. | M | |
| 459 | Home | Scottish | From the cave. | M | |
| 460 | Houston | Scottish | From Hugh's town. Place-name and surname. American West Texan general Sam Houston. A city in Texas USA. | M | |