Name
- Hippisley, Ellen, wife of G Hippisley1
- Holles, Thomas Pelham-, Duke of Newcastle, prime minister, 1693-17681
- Hughes, Lois, Nurse to the Pretender's child1
- Hutchinson, Francis, Bishop of Down and Connor1
- Hutton, Matthew, Bishop of Bangor (1743), Archbishop of York (1747), and Canterbury (1757)1
- Hyde, Henry, Viscount Cornbury, of Add MS 355871
- Ingram-Seymour-Conway, Francis, Earl of Yarmouth; 2nd Marquess of Hertford 1794, formerly Seymour-Conway1
- Irby, William, 2nd Baronet, afterwards 1st Baron Boston; Vice-Chamberlain to the Princess of Wales1
- Jaggart, Francis, of the Custom House, Belfast1
- Jesus College, University of Oxford1
- Joasse, John1
- Jocelyn, Robert, Baron Newport (1743), Viscount Jocelyn (1755); Lord Chancellor of Ireland1
- John IV, of Portugal1
- Jolly, William, Pro-Collector of Dublin County Excise1
- Jones, Hugh Valence, Clerk in Secretary of State's Office afterwards Solicitor to the Treasury1
- Kay, Richard1
- Keene, Benjamin, Knight, diplomat, 1697-17571
- Keppel, William Anne, 2nd Earl of Albemarle, KG; Ambassador to France1
- Ker, John, 1st Duke of Roxburghe1
- Kerr, Mark Robert, of Add MS 402521