Friday 6 October 2023

Rowan-Hamilton of Killyleagh

This family is descended from Thomas, youngest son of Sir John Hamilton of Cadzow, from which Thomas many families in Ulster descended; namely, those of Killyleagh, Hallcraig or Neillsbrook, Tollymore, Carnesure, Bangor, Ballygally, and Gransha; founded by the six sons of Hans Hamilton of Dunlop.

THE REV HANS HAMILTON (c1535-1608), Vicar of Dunlop, Ayrshire, wedded Margaret Denholm, daughter of the Laird of Weshiels, and had, with other issue,
James, Viscount Claneboye, ancestor of the EARLS OF CLANBRASSIL;
ARCHIBALD, of whom we treat.
The younger son,

ARCHIBALD HAMILTON, of Hallcraig, Lanarkshire, married firstly, Rachel Carmichael, and had issue,
JOHN;
James;
Gawn;
William;
Hugh.
He wedded secondly, Miss Simpson, by whom he left one daughter, Jane, married to Archibald Edmonstone, of Braid Island, County Antrim.

The third son,

GAWN HAMILTON, of Killyleagh Castle, County Down, espoused Jane, daughter of Archibald Hamilton, and had issue,
ARCHIBALD;
Mary; Rose.
He died in 1703, and was succeeded by his son and heir,

ARCHIBALD HAMILTON, of Killyleagh, who married Mary, daughter of David Johnstone, of Tully, County Monaghan, and had issue,
William;
GAWN;
Susanna; Jane; Mary.
Mr Hamilton died in 1747, and was succeeded by his younger son,

GAWN HAMILTON (1729-1805), of Killyleagh, who wedded, in 1750, Jane, only child of WILLIAM ROWAN, a barrister, and widow of Tichbourne Aston, of Beaulieu, County Louth, and had issue,
ARCHIBALD;
Sidney.
Mr Hamilton was succeeded by his son and heir,

ARCHIBALD HAMILTON (1751-1834), of Killyleagh Castle, County Down, who assumed the additional surname of ROWAN, in conformity with the will of his maternal grandfather, WILLIAM ROWAN, who devised his fortune to his grandson, then a boy at Westminster School
"In the hope that he should become a learned, honest, sober man; live un-bribed and un-pensioned; zealous for the rights of his country; loyal to his King; and a true protestant without bigotry to any sect."
He married, in 1781, Sarah Anne, daughter of Walter Dawson, of Carrickmacross, County Monaghan, and had issue,
Archibald, father of SIR WILLIAM ROWAN-HAMILTON;
GAWN WILLIAM ROWAN;
Sydney;
Frederick;
Dawson;
Jane; Elizabeth; Mildred; Harriet; Francesca.
Mr Rowan-Hamilton's second son,

GAWN WILLIAM ROWAN ROWAN-HAMILTON CB (1783-1834), of Killyleagh Castle, Captain RN, married, in 1817, Catherine, daughter of General Sir George Cockburn, and had issue,
ARCHIBALD ROWAN, his heir;
George Rowan;
Melita Anne.
Captain Rowan-Hamilton was succeeded by his elder son,

ARCHIBALD ROWAN ROWAN-HAMILTON JP, of Killyleagh Castle, who married, in 1842, Catherine Anne, daughter of Rev George Caldwell, and had issue,
GAWN WILLIAM, his heir;
George;
Sidney Augustus Rowan;
Frederick Temple Rowan, father of
GAWN BASIL GUY ROWAN-HAMILTON;
Mary Catherine; Helen Gwendoline; Harriet Georgina.
Mr Rowan-Hamilton died in 1818, and was succeeded by his eldest son,

COLONEL GAWN WILLIAM ROWAN-HAMILTON JP DL (1844-1930), of Killyleagh Castle, and Shanagonagh Castle, County Dublin, who wedded, in 1876, Lina Mary Howley, daughter of Sir George Howland Beaumont Bt, and had issue,
ARCHIBALD JAMES;
Orfla Melita.
Colonel Rowan-Hamilton was succeeded by his son and heir,

ARCHIBALD JAMES ROWAN-HAMILTON (1877-1915), who espoused, in 1908, Norah, daughter of Frederick Abiss Phillips.

He was killed in action, 1915, without issue, and was succeeded by his nephew,

BRIGADIER GAWN BASIL (GUY) ROWAN-HAMILTON DSO MC DL (1884-1947), of Killyleagh Castle, who married, in 1916, Phyllis Frances, daughter of Robert, Lord Blackburn, by his wife Lady Constance Frances Bowes-Lyon, and had issue,
Angus David;
DENYS ARCHIBALD;
Gawn Leslie.
The second son,

LIEUTENANT-COLONEL DENYS ARCHIBALD ROWAN-HAMILTON MVO DL (1921-2018), of Killyleagh Castle, High Sheriff of County Down, 1975, married, in 1961, Wanda Annette, daughter of Lieutenant-Colonel Rupert Warburton, and had issue,
GAWN WILLIAM, of Killyleagh Castleb 1968;
Constance Orfla; Louisa Anne.
Colonel Rowan-Hamilton fought in the 2nd World War; Member, Royal Victorian Order, 1947; Aide-de-Camp, Governor of Southern Rhodesia, 1947; Major, 29th Britiish Infantry Brigade, Korea; Military Secretary to West Africa; 2nd in command of the 1st Black Watch, 1957-59; commander, 45th Black Watch, 1960-63; Defence Attache to the British Embassy, Damascus and Beirut, 1964-67; retired from the Army, 1967.

He was succeeded by his son and heir,

GAWN WILLIAM ROWAN-HAMILTON (1968-), of Killyleagh Castle, who married Polly Ann, daughter of Colonel Rodney J Martin, and has issue,
Archibald James, born in 1997;
Jake Douglas, born in 1999;
Tara Emily, born in 1996;
Willa Melitta Dorothy, born in 2003.

Mr Rowan-Hamilton was appointed Lord-Lieutenant of County Down on the 25th September, 2021. 

First published in August, 2013.

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