While his brother's earldom became extinct, the viscountcy devolved upon Charles.
On 29 November 1817, he married Bridget Willington, the daughter of John Willington of Killoskehan Castle, Barnane, and Bridget Butler, the daughter of Theobald Butler of Knocka Castle, Drom, County Tipperary.
[2] Lewis' directory of 1837 lists the principal landowners in the locality at the time: "Lloydsborough is the seat of J. Lloyd, Esq.
The other principal seats are Woodville Lodge, the residence of D. J. Webb, Esq.
[3]Viscount Monck died in Dublin, in the house his father built, currently the site of the Merrion Hotel.