| Grooms Surname | Grooms Forname | Grooms Parish | Brides Forname | Brides Surname | Brides Parish | Marriage Parish | B/L | Date |
|---|---|---|---|---|---|---|---|---|
| Iggulden | John | Maidenhead,Kent. | Ann | Hopkins w | St Woolas,Npt. | St Woolas,Npt. | L | 18/12/1791 |
| Incledon | Philip | Comb,Devon. | Mary | Workman | Monmouth | Monmouth | L | 04/08/1768 |
| Ingram | John | Abergavenny | Ann | Reese | Abergavenny | Abergavenny | B | 19/07/1810 |
| Inon | Henry | Abergavenny | Mary | Williams | Abergavenny | Abergavenny | B | 27/10/1755 |
| Inon? | Harry | Abergavenny | Ann | Morgan | Llantilio Pertholey | Llantilio Pertholey | . | 07/02/1729 |
| Ireland | Richard | Caerwent | Jane | Harry | Llanvaire | Caerwent | B | 29/05/1798 |
| Ireland w | Thomas | Wonastow | Hannah | Madley | Llandogo | Llandogo | L | 03/08/1807 |
| Isaac | Henry | Monmouth | Jaine? | Ranell | Monmouth | Monmouth | L | 28/05/1788 |
| Isaac | Jacob | Bedwellty | Gwenllian | William | Bedwellty | Bedwellty | L | 10/05/1766 |
| Isaac | Jacob | Bedwellty | Mary | David w | Bedwellty | Bedwellty | B | 28/07/1803 |
| Isaac | Jacob | Langstone | Rachel | Morgan | Llandegveth | Llandegveth | L | 26/08/1768 |
| Isaac | John | St Arvans | Mary | Palmer | St Arvans | St Arvans | L | 13/07/1783 |
| Isaac | Jonathan | Bedwellty | Mary | Rogers | Bedwellty | Bedwellty | L | 03/04/1771 |
| Isaac | Joseph | Bedwellty | Jane | Morgan | Bedwellty | Bedwellty | B | 09/04/1782 |
| Isaac | William | Henllys | Elizabeth | Jones | Nash | Nash | B | 16/05/1749 |
| Isaac | William | Llantilio Pertholey | Elizabeth | Prosser | Llantilio Pertholey | Llantilio Pertholey | B | 06/08/1791 |
| Isaac | William | Caerwent | Jane | Philips | Caerwent | Caerwent | B | 12/11/1760 |
| Isaac | William | Llantilio Pertholey | Martha | Morgan | Llantilio Pertholey | Llantilio Pertholey | B | 19/06/1760 |
| Isaac | William | Bedwellty | Mary | Harry | Bedwellty | Bedwellty | B | 10/12/1786 |
| Isaac w | Jacob | Bedwellty | Catherine | James | Bedwellty | Bedwellty | L | 30/08/1808 |
| Isaac w | William | Caerwent | Kate | Hopkin w | Caerwent | Caerwent | B | 15/11/1777 |
| Ishmael | John | Usk | Elizabeth | Haydon w | Usk | Usk | B | 14/08/1775 |
| Ishmael | Miles | Usk | Jane | Wigginton | Usk | Usk | L | 09/01/1806 |
| Ishmael | Thomas | Caerleon | Elinor | Rees | Caerleon | Caerleon | L | 15/09/1766 |
| Ishmael w | Thomas | Bassaleg | Elizabeth | Lloyd w | Bassaleg | Bassaleg | L | 14/07/1756 |
| Israel | Thomas | Bedwas | Mary | Lewis | Bassaleg | Bassaleg | B | 20/04/1780 |
| Ivor | William | Nash | Ann | Rees | Bassaleg | Bassaleg | . | 03/09/1745 |