The son of the first earl (d. 1795), he was educated at Eton and Oxford, was MP for Droitwich in Worcestershire (1816-31) and was an enthusiastic sportsman and gambler.

CORRESPONDENCE OF William Philip Molyneux, second earl of Sefton [Lord Dashalong]:

Lord Sefton to Thomas Creevey, [1820] in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 13 September 1821 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 2 October 1825 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 13 February 1826 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 25 February 1826 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 13 April 1827 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 28 May 1827 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Thomas Creevey to the Earl of Sefton, 31 May 1827 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 12 January 1828 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 26 April 1828 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 7 September 1828 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 7 November 1828 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 25 March 1839 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 11 April 1829 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, October 1830 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 24 November 1832 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 26 November 1833 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 14 December 1833 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 22 December 1833 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)

Earl of Sefton to Thomas Creevey, 30 December 1833 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)