- Ievers, Eyre Herbert
- Ikerrin, Viscount
- Inchiquin, Baron
- Irvine Lieut.-Col. Francis Stephen
- Irvine, Col. Gerard Beatty
- Irvine, Col. Henry
- Irvine, Major John Gerard Christopher
- Irvine, Hon. Sir William Hill
- Irwin, Capt. George Robert
- Irwin, Major.-Gen. Sir James Murray
- Irwin, Sir John
- Irwin, Valentine Philip
- Iveagh, Earl of