Barons Acton First holder Sir John Emerich Edward Dalberg-Acton, 1st Baron Acton of Aldenham * 1834 Records #4 Holders Family filter On/Off 1 Sir John Emerich Edward Dalberg-Acton, 1st Baron Acton of Aldenham * 1834 2 Richard Dalberg-Acton, 2nd Baron Acton of Aldenham * 1870 3 John Emmerich Henry Lyon-Dalberg-Acton, 3rd Baron Acton * 1907 4 Richard Gerald Lyon-Dalberg-Acton, 4th Baron Acton * 1941 Corrections and Updates To suggest a correction or an update. Click Here