| N A M E | O R I G I N | M E A N I N G |
| Gilbert | English | Trusted |
| Gilberto | Italian | Italian form of Gilbert 'pledge'. |
| Gilbride | Irish | Serves Saint Bridget. |
| Gilburt | English | Trusted. |
| Gilby | Norse | Pledge. |
| Gildas | Anglo-Saxon | Name of a historian. |
| Gildea | Irish | Golden. |
| Gilead | Hebrew | Biblical Place Name |
| Giles | Greek | Baby goat |
| Gilford | English | From Gill'S ford. |
| Gilfred | Teutonic | Oath of peace. |
| Gilfrid | Teutonic | Oath of peace. |
| Gilibeirt | Irish | Pledge. |
| Gille | Gaelic | Eathain - Gaelic form of Gillian. |
| Gilleabart | Scottish | Pledge. |
| Gillean | Gaelic | A Scottish Gaelic name meaning St. John's servant. |
| Gilleasbuig | Gaelic | Sacred and bold. |
| Gillecriosd | Scottish | Christ bearer. |
| Gillen | Teutonic | Resolute fighter. |
| Gillermo | Spanish | Variant of William 'Resolute protector.'. |
| Gilles | French | Young goat |
| Gillespie | Celtic/Gaelic | Servant of the Bishop |
| Gilley | Irish | Serves Christ. |
| Gilli | Hebrew | Happiness. |
| Gillivray | Scottish | Servant of judgment. |
| Gilmar | English | Famous hostage. |
| Gilmat | Scottish | Sword bearer. |
| Gilmer | English | Famous hostage. |
| Gilmore | Celtic/Gaelic | Servant of Mary |
| Giloh | Biblical | He that rejoices; he that overturns |
