Samuel Pepys Esq.
- Samuel Pepys FRS (1633–1703), the famous diarist.
Pepys of Upper Brook Street (sometimes Juniper Hill) in the Baronetage of Great Britain (1784)
Sir Lucas Pepys, 1st Baronet
- Sir Lucas Pepys, 1st Baronet (1742–1830) Descended from John Pepys, great-uncle of Samuel Pepys, the diarist. Baronetcy of Upper Brook Street created with a special remainder to his elder brother, William Pepys. Married Jane Elizabeth Leslie, 12th Countess of Rothes (1750–1810). See House of Leslie.
2nd and 3rd Baronets
- The Hon. Sir Charles Leslie, 2nd Baronet (1774–1833)
- The Hon. Sir Henry Leslie, 3rd Baronet (1783–1849)
- Charles Pepys, 1st Baron Cottenham, 4th Baronet (1781–1851)
Pepys of Wimpole Street in the Baronetage of the United Kingdom (1801)
Pepys of Wimpole Street
- Sir William Pepys, 1st Baronet (1740–1825) Elder brother of Sir Lucas Pepys.
- Sir William Weller Pepys, 2nd Baronet (1778–1845)
- Sir Charles Pepys, 3rd Baronet of Wimpole Street, 1st Baron Cottenham, 4th Baronet of Upper Brook Street (1781–1851) Succeeded to the Baronetcy of Upper Brook Street according to a special remainder in the letters patent.
Barons Cottenham of Cottenham in the Peerage of the United Kingdom (1836)
Pepys of Wimpole Street in the Baronetage of the United Kingdom (1801)
Pepys of Brook Street in the Baronetage of Great Britain (1784)
Earls of Cottenham in the Peerage of the United Kingdom (1850)
Earls of Cottenham
- Charles Christopher Pepys, 1st Earl of Cottenham and Viscount Crowhurst, 1st Baron Cottenham, 3rd Baronet of Wimpole Street, 4th Baronet of Upper Brook Street (1781–1851)
- Charles Edward Pepys, 2nd Earl of Cottenham (1824–1863)
- William John Pepys, 3rd Earl of Cottenham (1825–1881)
- Kenelm Charles Edward Pepys, 4th Earl of Cottenham (1874–1919)
- Kenelm Charles Francis Pepys, 5th Earl of Cottenham (1901–1922)
- Mark Everard Pepys, 6th Earl of Cottenham (1903–1943)
- John Digby Thomas Pepys, 7th Earl of Cottenham (1907–1968)
- Kenelm Charles Everard Digby Pepys, 8th Earl of Cottenham (1948–2000)
- Mark John Henry Pepys, 9th Earl of Cottenham, 9th Viscount Crowhurst, 9th Baron Cottenham, 10th Baronet of Upper Brook Street, 11th Baronet of Wimpole Street (b.1983)