Name
- General Post Office, 1660-19691
- George, Robert, correspondent of Charles Whitworth, 1st Earl Whitworth, fl 18141
- Goddard, William, of Dublin, correspondent of Denis Browne, fl 18181
- Grace, John Michael, army officer and correspondent of Prince Frederick, Duke of York, fl 18141
- Green, Richard, of Wexford, postmaster and correspondent of Sir Edward Smith Lees, fl 18121
- Greenwood, Charles, agent to Prince Leopold of Coburg, fl 18161
- Grubb, Robert, of Clonmel, correspondent of Sir Edward Smith Lees, fl 1816-18171
- HM Customs and Excise, 1909-20051
- Hales, William, clergyman and correspondent of Henry Addington, 1st Viscount Sidmouth, fl 1812-18131
- Hamilton, John, Curate of Roscrea1
- Harding, Robert, MD, of Cork1
- Harding, Samuel, of Tamworth1
- Hardy, Joseph, Lieutenant-Colonel; Inspector of Irish Yeomanry1
- Hay, George, Reverend; Assistant Agent of the Ulster Synod1
- Horner, Francis, MP1
- Hunt, Vere, 1st Baronet1
- Inglis, Robert Harry, 2nd Baronet, MP, 1786-18551
- Ingram-Seymour-Conway, Francis, Earl of Yarmouth; 2nd Marquess of Hertford 1794, formerly Seymour-Conway1
- Irvine, W- J-?, of county Wexford1
- Jackson, John, 1st Baronet, of Arlsey?1