| Surname | First name | Title | Status | Page |
| Ikerrin | Lady Viscountess Margaret | 245 | ||
| Ikerrin | Lord Viscount Pierce | 245 | ||
| Ikerryn | Lord Viscount James | 245 | ||
| Iley | Ann | Widow | 245 | |
| Iley | Thomas | 245 | ||
| Illingworth | Robert | Capt. | 245 | |
| Ince | Thomas | 245 | ||
| Inchiquin | Elizabeth | 245 | ||
| Inchiquin | Mary | 245 | ||
| Inchiquin | Morogh | 245 | ||
| Inchiquin | William | 245 | ||
| Inchiquin | Lord | 375 | ||
| Inge | Thomas | 245 | ||
| Ingham | John | 245 | ||
| Ingham | Robert | 245 | ||
| Ingham | Thomas | 245 | ||
| Ingilfield | John | 245 | ||
| Inglass | Richard | Rev. | 245 | |
| Ingoldsby | General Richard | Lieutenant | 245 | |
| Ingoldsby | Henry | 245 | ||
| Ingoldsby | Henry | Esq. | 245 | |
| Ingoldsby | Henry | Sir | 245 | |
| Ingould | John | 245 | ||
| Ingram | Anne | Widow | 245 | |
| Ingram | Claud | 245 | ||
| Ingram | Elizab. | Widow | 245 | |
| Ingram | George | 245 | ||
| Ingram | Hannah | Widow | 245 | |
| Ingram | James | 245 | ||
| Ingram | Jocelyn | Rev. | 245 | |
| Ingram | Joseph | 245 | ||
| Ingram | Mary | 245 | ||
| Ingram | Thomas | 245 | ||
| Ingram | William | 245 | ||
| Inkersall | John | Esq. | 245 | |
| Inman | Jos. | 245 | ||
| Inman | Joseph | 245 | ||
| Inman | Miriam | 245 | ||
| Inman | Thomas | 245 | ||
| Innes | Charles | Esq. | 245 | |
| Innes | Colonel James | Lieutenant | Esq. | 245 |
| Innes | Jane | Widow | 245 | |
| Innes | Major Geo. | Esq. | 245 | |
| Innes | Perrot | Esq. | 245 | |
| Innes | Wm. | Esq. | 245 | |
| Innis | Joseph | 245 | ||
| Innishmore | John F. | 170 | ||
| Insiquine | Elizabeth | 245 | ||
| Irby | Anthony | D. D. | 245 | |
| Iredell | Jane | Widow | 245 | |
| Ireland | Anna Maria | 245 | ||
| Ireland | Courcy | Esq. | 245 | |
| Ireland | Jane | Widow | 245 | |
| Ireland | Thomas | 245 | ||
| Ireland | Thos. | 245 | ||
| Ireland | Wm. | 245 | ||
| Ireton | Charles | LL. D. | 245 | |
| Irish | John | 245 | ||
| Irish | John J. | 245 | ||
| Irish | Mary | Widow | 245 | |
| Irvine | Andrew | Rev. | 245 | |
| Irvine | Archibald | 245 | ||
| Irvine | Charles | 245 | ||
| Irvine | Alexander | 246 | ||
| Irvine | Christopher | Esq. | 246 | |
| Irvine | Ellinor | Widow | 246 | |
| Irvine | Gerard | 246 | ||
| Irvine | Gerard | Esq. | 246 | |
| Irvine | Jas. J. V. | Esq. | 246 | |
| Irvine | John | Lieutenant | 246 | |
| Irvine | John | 246 | ||
| Irvine | John | Esq. | 246 | |
| Irvine | Martha | 246 | ||
| Irvine | Olivia | 246 | ||
| Irvine | William | 246 | ||
| Irving | Alexander | 246 | ||
| Irwin | Elizabeth | 61 | ||
| Irwin | Alexander | 246 | ||
| Irwin | Alexander | Esq. | 246 | |
| Irwin | Arthur | 246 | ||
| Irwin | Arthur | Esq. | 246 | |
| Irwin | Catherine | Widow | 246 | |
| Irwin | Christopher | 246 | ||
| Irwin | David | Esq. | 246 | |
| Irwin | Deborah | Widow | 246 | |
| Irwin | Edward | 246 | ||
| Irwin | Edward Griffith | Esq. | 246 | |
| Irwin | Elizabeth | 246 | ||
| Irwin | Elizabeth | Widow | 246 | |
| Irwin | General Alexander I. | Lieutenant | 246 | |
| Irwin | George | 246 | ||
| Irwin | Greham | 246 | ||
| Irwin | Henry | 246 | ||
| Irwin | Hy. | Esq. | 246 | |
| Irwin | James | 246 | ||
| Irwin | Jane | Widow | 246 | |
| Irwin | John | 246 | ||
| Irwin | John | Esq. | 246 | |
| Irwin | Lancellot | 246 | ||
| Irwin | Mary | Widow | 246 | |
| Irwin | Mary Anna | Widow | 246 | |
| Irwin | Richard | 246 | ||
| Irwin | Robert | 246 | ||
| Irwin | Samuel | Esq. | 246 | |
| Irwin | Thomas | 246 | ||
| Irwin | William | Esq. | 246 | |
| Irwin | Wm. | 246 | ||
| Irwin | Gen. | 291 | ||
| Irwine | Charles | 246 | ||
| Irwine | Christopher | Esq. | 246 | |
| Irwine | Thomas | 246 | ||
| Irwine | William | Esq. | 246 | |
| Irwine | Wm. | 246 | ||
| Isaac | John | Esq. | 246 | |
| Isaac | Letitia | 246 | ||
| Isaac | Montgomery | 246 | ||
| Isaac | Peter | 246 | ||
| Isaac | Robert | 246 | ||
| Isaac | Simon | Esq. | 246 | |
| Isaac | Thomas | Esq. | 246 | |
| Isaack | Chas. | 246 | ||
| Isack | Thomas | 246 | ||
| Isdall | Oliver | Esq. | 246 | |
| Isemonger | Elizabeth | 246 | ||
| Iveagh | Lady Viscountess Margaret | 246 | ||
| Iveagh | Lord Viscount Arthur Magenis | 246 | ||
| Iveer | Peter | 246 | ||
| Ivers | Henry | Esq. | 246 | |
| Ives | Andrew | 246 | ||
| Iveson | Anthony | Rev. | 247 | |
| Ivie | James | 247 | ||
| Ivie | Joseph | 247 | ||
| Ivie | Joseph | Esq. | 247 | |
| Ivory | Garrett | 247 | ||
| Ivory | Thomas | 247 | ||
| Ivy | Henry | 247 | ||
| Izod | Elizabeth | Widow | 247 | |
| Izod | Kevan | Esq. | 247 |