| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 321 | Griff | Welsh | Fighting chief; fierce. The fierce Gryphon of Greek mythology and medieval legend was a creature with foreparts of an eagle and hindquarters of a lion. | M | |
| 322 | Griffen | Welsh | Fighting chief; fierce. The fierce Gryphon of Greek mythology and medieval legend was a creature with foreparts of an eagle and hindquarters of a lion. Note: This Database is Copyright 2000, Muse Creations Inc. | M | |
| 323 | Griffeth | Welsh | Red haired. | M | |
| 324 | Griffin | Welsh | Strong in faith. | M | |
| 325 | Griffith | Welsh | Fighting chief, fierce, strong warrior or lord. Derived from the Welsh name Groffudd. Common as both a surname and a given name. | M | |
| 326 | Grigor | Welsh | On the watch. | M | |
| 327 | Groffudd | Welsh | Strong warrior, lord. | M | |
| 328 | Gruddyeu | Welsh | Legendary son of Muryel. | M | |
| 329 | Gruffen | Welsh | Fierce lord. | M | |
| 330 | Gruffin | Welsh | Fierce lord. | M | |
| 331 | Gruffudd | Welsh | Red haired. | M | |
| 332 | Gruffyn | Welsh | Fierce lord. | M | |
| 333 | Grufydd | Welsh | Red haired. | M | |
| 334 | Gryphin | Welsh | Strong in faith. | M | |
| 335 | Gryphon | Welsh | Fighting chief; fierce. The fierce Gryphon of Greek mythology and medieval legend was a creature with foreparts of an eagle and hindquarters of a lion. | M | |
| 336 | Gusg | Welsh | Legendary son of Achen. | M | |
| 337 | Gwakhmai | Welsh | Hawk of the battle. | M | |
| 338 | Gwalchmei | Welsh | Legendary son of Gwyar. | M | |
| 339 | Gwalhaved | Welsh | Legendary son of Gwyar. | M | |
| 340 | Gwallawg | Welsh | Legendary son of Llenawg. | M | |