The latter year he succeeded his uncle in the barony and to Northwick Park, Gloucestershire and entered the House of Lords.
Rushout was commissioned cornet in the 1st Life Guards in 1833, was promoted lieutenant in 1837 and major in 1842, retiring from the army in the latter year.
[1] Lord Northwick married Elizabeth Augusta, daughter of William Bateman-Hanbury, 1st Baron Bateman and widow of George Drought Warburton, in 1869.
[1] On 23 January 1886 the couple, then married sixteen years, were awarded the prize of the Dunmow Flitch, "receiving it privately and without the customary forms".
[1] Lord Northwick died at the Queen's Hotel, Upper Norwood, Surrey in November 1887, aged 76, when his titles became extinct.