Marquess of Downshire is a title in the
Peerage of Ireland. It was created in
1789 for
Wills
Hill, 1st Earl of Hillsborough, a former
Secretary of State.

Arms of the Marquesses of
Downshire.
Hills had already been created Earl of Hillsborough and Viscount
Kilwarlin of
County Down in the
Peerage of Ireland in 1751 with
remainder, in default of male issue of his own, to his uncle
Arthur Hill, 1st Viscount
Dungannon.
He was further created Lord Harwich, Baron of
Harwich, in the County of Essex, in the Peerage of Great Britain in 1756
with a seat in the House of
Lords
. In 1772 he was further enobled as Earl of
Hillsborough and Viscount Fairford in the County of
Gloucester
in the Peerage
of Great Britain.
Downshire was the eldest son of
Trevor
Hill, who had been created Viscount Hillsborough and Baron Hill
of Kilwarlin of County Down, in the
Peerage of Ireland in 1717, with
remainder, in default of male issue of his own, to the male issue
of his father, Michael Hill. Trevor Hill was the brother of the
aforementioned
Arthur Hill, 1st
Viscount Dungannon.
Among many
other estates, the Marquess owned Hillsborough Castle
, the Blessington
Estate in Co. Wicklow and Easthampstead
Park
near Bracknell
. The Marquesses are also Hereditary
Constables of Hillsborough Fort.
Prior to
the passage of the House of
Lords Act 1999 the Marquesses sat in the House of Lords
as the Earls of Hillsborough.
Ancestors
Viscounts Hillsborough (1717)
Marquesses of Downshire (1789)
- Subsidiary titles: Earl of Hillsborough (created 1751 in
the Peerage of Ireland and 1772 in the Peerage of Great Britain);
Viscount Hillsborough (1717, Ireland); Viscount Kilwarlin (1751,
Ireland); Viscount Fairford (1772, Great Britain); Baron Hill of
Kilwarlin (1717, Ireland); Baron Harwich (1756, Ireland)
Heir apparent:
Edmund Robin
Arthur Hill, Earl of Hillsborough (b. 1996)
External references
References
Burkes Peerage (1939 edition), s.v. Downshire.
See also