His country seat was Charleville House which overlooks a water meadow for the River Dargle, enjoying frontage onto the Killough River. The estate is located 3 km from the village of Enniskerry and 4 km from Powerscourt Waterfall. The Monck family became owners of the estate in 1705. That was the year Charles Monck married Angela Hitchcock, an heiress. A fire in 1792 destroyed the original building. The Viscount commissioned the present structure and had it designed by Whitmore Davis. Building was not completed until 1830, the unduly long time occasioned by the 1798 rebellion. In 1797, the Viscount also built four identical lodges on the estate. He also built a terrace of houses in Upper Merrion Street, Dublin 2. Number 22 is known as "Monck House" while number 24 is known as Mornington House.
Ancestors
Henry Monck of Iver, Buckinghamshire, admitted to Inner Temple in November 1579. He married Joan Hitchcock. Their heir was Quoting from a history of north Dublin:
"The northern end of Stonybatter received its present name of Manor Street in 1780 from the Manor of Grangegorman in which it was situated. The Manor House is now the police barrack in that street. The owner of the Manor in the reign of Charles II was Sir Thomas Stanley, from whom the short street called Stanley Street, off North Brunswick Street, is named. His daughter Sarah married in 1663 Henry Monck, grandfather of the first Lord Monck. To this family the estate passed, and their long association with the district is commemorated in such names as Monck Place, Royse Road, from the name of a family intermarried with the Moncks, Rathdown Road and Terrace, from the title of Earl of Rathdowne, enjoyed by one of the Viscounts Monck, and Charleville Road and Terrace and Enniskerry Road, from the name of their residence near Enniskerry, Co. Wicklow."
Koi
Marriage and issue
He married in 1784 his cousin Anne Quin, the daughter of Henry Quin MD, of Dublin, by his wife Anne Monck, the first daughter of Charles Monck, of Grangegorman. Following her husband's death, Anne later married Sir John Craven Carden, 1st Baronet as the baronet's fourth wife. Anne dies 20 Dec 1823. The Viscount had issue:
