Other customers were Mrs Elizabeth Montagu (1718–1800), Sir Sampson Eardley, 1st Baron Eardley(1744–1824); possibly, Beilby Porteus, the Bishop of Chester and a well-known abolitionist (1731–1809); Lord Macclesfield and, possibly, Isaac Hawkins Browne.
Baron | Louis Mountbatten, 1st Earl Mountbatten of Burma | Horatio Nelson, 1st Viscount Nelson | Herbert Kitchener, 1st Earl Kitchener | Charles Cornwallis, 1st Marquess Cornwallis | 1st United States Congress | Frederick Roberts, 1st Earl Roberts | Bernard Montgomery, 1st Viscount Montgomery of Alamein | William Cecil, 1st Baron Burghley | Robert Harley, 1st Earl of Oxford and Earl Mortimer | George Villiers, 1st Duke of Buckingham | Thomas Wentworth, 1st Earl of Strafford | baron | William Pitt, 1st Earl of Chatham | Sacha Baron Cohen | Joseph Lister, 1st Baron Lister | Joey Baron | Robert Baden-Powell, 1st Baron Baden-Powell | John Scott, 1st Earl of Eldon | Henry Brougham, 1st Baron Brougham and Vaux | Edward Seymour, 1st Duke of Somerset | Robert, 1st Earl of Gloucester | Guy Carleton, 1st Baron Dorchester | Garnet Wolseley, 1st Viscount Wolseley | Douglas Haig, 1st Earl Haig | George Monck, 1st Duke of Albemarle | Frederick Schomberg, 1st Duke of Schomberg | Edward Hyde, 1st Earl of Clarendon | William Slim, 1st Viscount Slim | Sir Arthur Harris, 1st Baronet |
In 1768, he married Maria Wilmot, the daughter of Sir John Eardley Wilmot, Chief Justice of the Common Pleas.
Born London, his father, Sir Culling Smith, 2nd Baronet (1768–1829), was of Huguenot extraction and his mother, Charlotte Elizabeth (d. 15 Sept 1826) was the daughter of Sampson Eardley, 1st Baron Eardley, and hence the granddaughter of Jewish financier Sampson Gideon.