- Gaffney, James S.
- Gaffney, Patrick
- Gaffney, Thomas Burke
- Gaisford-St-Lawrence, Julian Charles
- Gallagher, Henry Thomas
- Gallagher, Sir James Michael
- Galligan, Peter Paul
- Gallwey, Col. Edmond Joseph
- Gallwey, Capt. H. W. Dayrell
- Galway and Kilmacduagh
- Gamble, Charles George
- Gannon, John Patrick
- Garland, Patrick Joseph
- Garraway, Lieut.-Col. Edward Charles Frederick
- Garrett, Edmund William
- Gartlan, Alexander
- Gartside-Spaight, Brig.-Gen. Cavendish Walter
- Garvagh, Baron
- Garvey, John
- Gavin, Montiford Westropp
- Getty, John
- Gibbon, Colonel Charles Monk
- Gibney, James
- Gibson, Hon. Edward Graves Mayne
- Gibson, Right Hon. John George
- Gibson, Michael Joseph
- Gildea, Arthur Knox
- Gill, Thomas Patrick
- Gillford, Lord, John Charles Edmund Carson Meade
- Ginnell, Laurence
- Gleeson, Michael
- Glenavy, Baron
- Glendinning, The Right Hon. Robert Graham
- Glover, James Mackey
- Glynn, Sir Joseph Aloysius
- Glynn, William Joynt
- Godfrey, Sir William Cecil
- Goff, Sir Herbert William
- Goff, Thomas Clarence Edward
- Golding, Patrick S.
- Goligher, William Alexander
- Gordon, Lieut.-Col. Alexander Robert Gisborne
- Gordon, James Scott
- Gordon, Colonel John Charles Frederick
- Gore, Lt.-Com. Reginald Edward
- Gore-Booth, Sir Josslyn Augustus Richard
- Gorey, Denis J.
- Gormanston, Viscount
- Gormanston, Viscountess
- Gosford, Earl of
- Gough, Lieut.-General Sir Hubert De La Poer
- Gough, Viscount
- Goulding, The Right Hon. Sir Edward Alfred
- Goulding, Right Hon. Sir William Joshua
- Goulding, Capt. William Lingard Amphlett
- Grace, Dowager Lady Margaret
- Grace, Sir Valentine Raymond
- Gradwell, George Fitzgerald
- Gradwell, Robert Bernard George Ashhurst
- Graham, Capt. Ogilvie Blair
- Granard, Earl of
- Grant, William
- Gray, Baroness of Gray
- Green, Alice Sophia Amelia
- Green, George Comerford
- Green, Lieut.-Col. James Sullivan
- Green, Thomas Sullivan
- Greene, Harry Plunket
- Greer, Sir Francis Nugent
- Greer, Henry
- Greer, Joseph
- Greer, Capt. Joseph Henry
- Greer, Richard Townsend
- Greer, Thomas MacGregor
- Gregg, John Robert
- Gregory, Lady Augusta
- Gregory, Padraic
- Grehan, Stephen
- Grene, James Witham
- Greville, Hon. Ronald Charles Fulke
- Greville, Baron
- Greville-Nugent, Hon. Patrick Emilius John
- Griffin, Hon. Charles James
- Griffith, Arthur
- Griffith, Sir John Purser
- Grogan, Brig.-General Edward George
- Grogan, William Edward
- Grove, John Montgomery Charles
- Gubbins, Francis Joseph Beresford
- Guillamore, Viscount and Baron O'Grady
- Guinness, Hon. Arthur Ernest
- Guinness, Col. Charles Davis
- Guinness, Henry Samuel Howard
- Guinness, Henry Seymour
- Guinness, Brig.-General Henry William Newton
- Guinness, Lieut.-Col. Hon. Walter Edward
- Gun, William Townsend Jackson
- Gun-Cuninghame, Major Cornwallis Robert Ducarel
- Gunn, John Edward
- Gwynn, Edward John
- Gwynn, Rev. Robert Malcolm
- Gwynn, Stephen Lucius
- Gwynne, Walker
