Name
- Adams, Henry Cadwallader, Church of England clergyman and author, 1817-18991
- Adams, Simon Thomas, Reverend; Rector of Great Harwood1
- Adderley, Charles Bowyer, 1st Baron Norton, 1814-19051
- Addington, William Leonard, 2nd Viscount Sidmouth, clergyman, 1794-18641
- Ainger, Thomas, Rector of Hampstead, county Middlesex1
- Airy, George Biddell, Knight, Astronomer Royal, 1801-18921
- Allen, Henry, Vicar of Patcham, county Sussex1
- Amyot, Thomas, of Add MS 345691
- Anderson, James Stuart Murray, Reverend; writer, 1800-18691
- Bagge, Richard, of King's Lynn, Norfolk; correspondent of the 4th Earl of Hardwicke as Postmaster General, fl 18521
- Baillie, Henry James, politician, 1803-18791
- Baird, James, industrialist; M.P. for Falkirk Burghs, 1802-18761
- Baker, E., correspondent of Francis Place and of the Postmaster-General, fl 1st half of 19th century1
- Baker, Frances, correspondent of Rev. Philip Bliss, fl 18451
- Baker, George, correspondent of Rev. Philip Bliss, fl 1845-18561
- Baldwin, Charles, proprietor of the 'Standard' newspaper, fl 1827-18471
- Baldwin, Edward, correspondent of Rev. P. Bliss, fl mid 19th century1
- Balls, Charles, of Cambridge; correspondent of the Postmaster-General, fl 18521
- Bandinel, Bulkeley, librarian, scholar, ecclesiastic, 1781-18611
- Baring, Francis, 3rd Baron Ashburton, banker and politician, 1800-18681