The Barony of Henley was has been created twice: first in the Peerage of Great Britain and then in the Peerage of Ireland. Robert Henley was created Baron Henley in 1760 and Earl of Northington in 1764. At the death of the second Earl, both titles became extinct. The Irish barony, which was created of 1799, is still extant. The Irish title is also united with the Barony of Northington, created in the Peerage of the United Kingdom in 1885 for the third Baron Henley.
Barons Henley, First Creation (1797)
Barons Henley, Second Creation (1799)
- Morton Eden, 1st Baron Henley (1752-1830)
- Robert Henley Henley, 2nd Baron Henley (1789-1841)
- Anthony Henley Henley, 3rd Baron Henley (1825-1898)
- Frederick Henley Henley , 4th Baron Henley (1849-1923)
- Anthony Ernest Henley Henley, 5th Baron Henley (1858-1925)
- Francis Robert Eden, 6th Baron Henley (1877-1962)
- Michael Francis Eden, 7th Baron Henley (1914-1977)
- Oliver Michael Robert Eden, 8th Baron Henley (b. 1953)
