Background
Crompton was born at Street Pancras, London, the son of Sir Charles Crompton, a Judge of the Queen"s Bench and his wife Caroline Fletcher of Liverpool.
Crompton was born at Street Pancras, London, the son of Sir Charles Crompton, a Judge of the Queen"s Bench and his wife Caroline Fletcher of Liverpool.
He was educated at University College School, University College, London, and at Trinity College, Cambridge (4th Wrangler 1855, Master of Arts 1858).
He was a Fellow of the college in 1856 and was called to the bar at Inner Temple in 1864. Crompton stood unsuccessfully for parliament at West Cheshire in the 1874 general election. and became a Queen's Counsel in 1882. He lost the seat at the 1886 general election, and did not stand again.
Crompton lived at Manchester and died at the age of 57.
Crompton married Florence Elizabeth Gaskell, daughter of Elizabeth Gaskell, in 1863.
23rd United Kingdom Parliament]
He was a member of the commission to investigate alleged corrupt practices at Knaresborough in 1880. At the 1885 general election, Crompton was elected Member of Parliament (Member of Parliament) for Leek in Staffordshire.