| Surname | First name(s) | Year(s) of record | Record |
| Gabb | Baker | 1779 | Wills |
| Gabb | Isaac | 1871 | Cefn-goleu |
| Gale |
Elizabeth |
1871 | Strays |
| Garret | Ann | 1775 | Baptisms 2 |
| Garret | Elizabeth | 1772 | Baptisms 2 |
| Garret | James | 1772,1775,1779 | Baptisms 2 |
| Garret | Jane | 1772 | Baptisms 2 |
| Garret | Joan | 1779 | Baptisms 2 |
| Garret | Sarah | 1775,1779 | Baptisms 2 |
| Garrett | Edward | 1802 | Marriages 2 |
| Georg | David | 1747 | Burials 1 |
| George | Ann | 1781 | Baptisms 2 |
| George | Anne | 1730 | Baptisms 1 |
| George | Anne | 1731 | Marriages 1 |
| George | Anne | 1756 | Burials 1 |
| George | Arnold | 1691,1692 | Exchequer |
| George | David | 1730,1734 | Baptisms 1 |
| George | David | 1736 | Burials 1 |
| George | David | 1772 | Bonds |
| George | David | 1772,1774,1779-80,1784 | Marriages 2 |
| George | David | 1781,1787,1790 | Baptisms 2 |
| George | Dorothy | 1742 | Burials 1 |
| George | George | 1718 | Wills |
| George | James | 1698 | Burials 1 |
| George | James | 1698 | Baptisms 1 |
| George | James | 1784 | Marriages 2 |
| George | Joan | 1710-69 | Miscellanea |
| George | Joan | 1730 | Marriages 1 |
| George | Joan | 1736 | Burials 1 |
| George | John | 1698,1732 | Burials 1 |
| George | John | 1698 | Baptisms 1 |
| George | Joseph | 1790 | Baptisms 2 |
| George | Margaret | 1734 | Baptisms 1 |
| George | Martha | 1809 | Baptisms 2 |
| George | Mary | 1787,1790 | Baptisms 2 |
| George | Michael | 1809 | Baptisms 2 |
| George | Phillip | 1698 | Burials 1 | George | Phillip | 1698 | Baptisms 1 | George | Samuel | 1809 | Marriages 2 | George | Sarah | 1711 | Marriages 1 | George | Susanna | 1809 | Baptisms 2 | George | William | 1691,1692 | Exchequer | George | William | 1841 | Pen-rhos | Gilbert | Margaret | 1743 | Marriages 1 | Gingell | Clara M. | 1881 | Old Rectory | Glover | William | 1744 | Burials 1 |
| Gomond(?) | John | 1650 | Wills | Gordon | Jane | 1745 | Marriages 1 | Gorst | Jessie | 1911 | School | Gorst | Watkins | 1911 | School | Gough | Caroline | 1871 | Yew Tree Cottage | Gough | Ellenor | 1871 | Yew Tree Cottage | Gough | Henry | 1871 | Yew Tree Cottage | Gough | James | 1861 | Little Park |
| Green | George | 1757 | Deeds |
| Greenhaugh | John | 1677 | Wills |
| Griffith | Giles | 1650 | Wills |
| Griffith | Ievan ap | 1507,1534 | Deeds |
| Griffith | Jane | 1634 | Deeds |
| Griffith | John |
1920 |
Directories |
| Griffith | Morrice | 1634 | Deeds |
| Griffith | Morris | 1651 | Chancery |
| Griffith | Peter | 1676 | Wills |
| Griffith | Rose | 1634 | Deeds |
| Griffith | Thomas | 1663-72 | Hearth | Griffiths | Annie | 1882,1902 | School | Griffiths | Dora | 1902 | School | Griffiths | Elizabeth | 1802 | Marriages 2 | Griffiths | Elizabeth | 1871 | Old Forge |
| Griffiths | Elizabeth | 1881,1901 | Strays |
| Griffiths | Elizth. | 1891 | Strays | Griffiths | Fanny | 1861 | Park | Griffiths | James | 1861 | Park |
| Griffiths |
Janet |
1871 | Strays | Griffiths | Jestyn | 1902 | School | Griffiths | Mary | 1861 | Park | Griffiths | Mary | 1882 | School | Griffiths | Philip | 1902 | School | Griffiths | Robert | 1871 | Old Forge | Griffiths | Sarah | 1861 | Park | Griffiths | Thomas | 1789 | Marriages 2 |
| Griffiths | William |
1871 |
Directories | Griffiths | William | 1871 | Old Forge | Griffyth | Samuell | 1677 | Wills |
| Grono | Hoell ap | 1534 | Deeds |
| Gronow | Ievan ap | 1534 | Deeds |
| Gruffith | Lliwelyng? | 1557 | Tax1557 | Gunter | Ann | 1779 | Baptisms 2 |
| Gunter | Ann | 1862 | Sunny Bank | Gunter | Anne | 1733 | Baptisms 1 | Gunter | Anne | 1733 | Miscellanea |
| Gunter | David | 1663-72 | Hearth | Gunter | Elizabeth | 1730 | Baptisms 1 |
| Gunter | Elizabeth | 1730 | Burials 1 | Gunter | Elizabeth | 1730 | Miscellanea | Gunter | Elizabeth | 1772,1776,1786 | Baptisms 2 | Gunter | Elizabeth | 1841,1851 | Glan-yr-afon | Gunter | James | 1790 | Baptisms 2 | Gunter | Thomas | 1730 | Marriages 1 |
| Gunter | Joan | 1710-69 | Miscellanea | Gunter | Joan | 1811 | Marriages 2 | Gunter | John | 1735 | Baptisms 1 |
| Gunter | John | 1735 | Miscellanea | Gunter | John | 1772,1779,1781,1786,1790 | Baptisms 2 |
| Gunter | John | 1808,1862 | Sunny Bank | Gunter | Jone | 1776 | Baptisms 2 | Gunter | Mary | 1736 | Baptisms 1 |
| Gunter | Mary | 1736 | Miscellanea | Gunter | Mary | 1779,1781,1786,1790 | Baptisms 2 |
| Gunter | Mary | 1862 | Sunny Bank |
| Gunter | Richard | 1606 | Exchequer | Gunter | Robert | 1605 | Exchequer |
| Gunter | Thomas | 1606 | Exchequer |
| Gunter | Thomas | 1709-77 | Miscellanea | Gunter | Thomas | 1730 | Marriages 1 | Gunter | Thomas | 1730,1733,1735,1736 | Baptisms 1 | Gunter | Thomas | 1730,1739 | Burials 1 | Gunter | Thomas | 1781 | Baptisms 2 | Gunter | Thomas | 1811 | Marriages 2 | Gunter | William | 1770 | Marriages 2 | Gunter | William | 1772,1776 | Baptisms 2 |
| Gunter | William | 1862 | Sunny Bank | Gwatkin | Benjamin | 1841 | Tump | Gwatkin | Benjamin | 1843 | Tithe Register | Gwatkin | Elizabeth | 1841 | Tump |
| Gwatkin | James Barnard | 1901 | Strays | Gwatkin | John | 1841 | Tump | Gwatkin | Lina | 1841 | Tump | Gwatkin | Mary | 1841 | Tump | Gwatkin | Thomas | 1841 | Tump |
| Gwatkyn | John James ap | 1606 | Exchequer |
| Gwillham | Griffith | 1676 | Wills |
| Gwillim | Alson | 1600 | Baglan |
| Gwillim | John | 1833,1838 | Wills |
| Gwillim | Samuel | 1833 | Wills |
| Gwillim | Samuel |
1871 |
Directories |
| Gwillim | Thomas | 1718 | Wills |
| Gwillim Myrick | Alson ferch | 1600 | Baglan | Gwylim | 1739 | Baptisms 1 | Gwylim | Robert | 1739 | Baptisms 1 |
| Gwyne | Howell | 1600 | Baglan |