He was elected to the House of Commons for Cheshire Mid in 1883, a seat he held until 1885, when the constituency was abolished, and then represented Knutsford from 1885 to 1906.

[1] The Hon Alan de Tatton Egerton MP was commissioned as a captain in the Paddington Rifles (later 5th Volunteer Battalion, Rifle Brigade) in 1877, and was later major and honorary lieutenant-colonel in the Cheshire imperial Yeomanry.

[1][2] He was the first president of the Institute of Refrigeration, formed in 1899 as the Cold Storage and Ice Association.

[6] Lord Egerton married Anna Louisa, daughter of Simon Watson Taylor, in 1867.

He died in September 1920, aged 75, and was succeeded in the barony by his son Maurice.