In 1808 the volunteers were replaced by the Local Militia, and Brand commanded the Midland Battalion, Hertfordshire Local Militia, based at Hitchin.
[1] Dacre entered Parliament for Helston in January 1807, a seat he only held until May of the same year, when he was returned for Hertfordshire.
He continued to represent this constituency until 1819, when he succeeded his mother in the barony of Dacre and entered the House of Lords.
Lord Dacre married Barbarina, daughter of Admiral Sir Chaloner Ogle, 1st Baronet and widow of Valentine Wilmot, in 1819.
He died at The Hoo, Hertfordshire, in March 1851, aged 76, and was succeeded in the barony by his younger brother, Henry.