Name
- Borough, Anna Maria, wife of Sir R Borough, 1st Baronet1
- Bosanquet, George, Chargé d'Affaires in Madrid1
- Boulton, Matthew, plate manufacturer, of London1
- Bourbon, Louis Joseph, Prince de Condé, of Add MS 472871
- Bourbon, Marie Thérèrse Charlotte, Princess of France, daughter of Louis XVI and wife of Louis Antoine de Bourbon, Duc d'Angoulême1
- Bourcard, John R., Prussian Vice-Consul in London1
- Bourke, Maria Assunta Leonida, wife of Count E Bourke, Danish Ambassador in London1
- Bourlier, Henri, French naval cadet1
- Brahe, H., Swedish official1
- Bray, François Gabriel, Comte, Bavarian diplomatist1
- Brent, William Brent, barrister; steward of Marshalsea and Palace Courts1
- Brinkman, Carl Gustaf, Baron, Swedish diplomatist1
- Broglie, Françoise Louise Angélique, wife of Auguste Joseph de Broglie, Prince de Revel1
- Brown, Samuel, Commander; RN; KH 18351
- Bruck, C. von der, hotel proprietor, of Ems, Germany1
- Brugière, Amable Guillaume Prosper, Baron de Barante, statesman and historian, 1782-18661
- Brunnow, Ernst, Major; of Dresden1
- Brunnow, Philippine, widow of Baron J Brunnow; mother of Baron Ernst Philipp Brunnow1
- Bryan and Mills, forwarding agents, London1
- Buchanan, James, US Envoy in London1