Name
- Hall, Samuel, merchant and correspondent of Sir William Petty, fl 16711
- Halley, Edmund, FRS, astronomer1
- Halsey, William, Chief Justice of Munster1
- Harbord, William, sec to Lord Lieutenant of Ireland1
- Hardinge, William Henry, of the Landed Estates Record Office Dublin1
- Harrington, James, political writer1
- Harrison, —, fl 17th cent1
- Harvey, William, MD1
- Hassel, —, Captain1
- Hayes, James1
- Hedges, William, merchant1
- Henebry, —1
- Herbert, William, fl 17th cent1
- Hickson, James, agent of 3rd Marquess of Lansdowne1
- Higgin, Aeneas, surveyor al Higgins1
- Hill, Abraham, FRS1
- Hinder, John1
- Holland, John, iron-worker1
- Holland, John, of Deptford1
- Holland, Nicholas, surveyor1