He assisted in drafting a variety of laws in the 1820s and 1830s, including the Reform Act 1832, and was private secretary to Robert Peel.
Born in Liverpool in 1790,[1] Gregson studied classics at Brasenose College, Oxford, graduating with a first-class degree in 1810.
From early in his career he acted as private secretary to the Tory, later Conservative, politician Robert Peel.
[5][6] He served as under-secretary of state for the Home Department from 3 January to 18 April 1835 during the first Peel ministry;[7] along with Denis Le Marchant in 1847–48, he is one of only two non-parliamentarians to have occupied that position since 1801.
[3] Over the course of his career he gathered a collection of autographs of official figures, which was curated by his sister and included one document that he particularly prized, issued by the Supreme Council of Bengal and bearing the signatures of Governor Warren Hastings and Philip Francis.