His sister, Margaretta Louisa Anne, married Gen. Sir Baldwin Leighton, 6th Baronet.

[1] Stanley succeeded in the baronetcy and to the family seat at Alderley Park in Cheshire on his father's death in 1807.

[1] He was elected to the House of Commons for Wootton Bassett in 1790, a seat he held until 1796.

Stanley married the Lady Maria Josepha, daughter of John Holroyd, 1st Earl of Sheffield, in 1796.

There were 11 children of the marriage; twin sons and seven daughters survived to adulthood.