He succeeded his father in the title in 1759, and inherited an estate heavily encumbered by his father's debts, and family settlements: he complained in 1760 that of his first half-year's rent, he had to pay £1,000 to his mother and £4,000 to his brother John and sister Frances.
They had one daughter:[2] After the death of Lady Juliana, Carbery married Elizabeth Horton (died 14 June 1789), daughter of Christopher Horton of Catton Hall, Derbyshire, on 13 December 1762.
[3] He also held estates in County Limerick, where Jeremiah Jackson was his agent in the 1760s and 1770s.
After having once refused Hartopp's suit, Carbery's daughter eloped with him, to Carbery's surprise and indignation, although Hartopp, in the end, made a good marriage settlement on her.
[2] He left the unentailed portion of his Irish estates to his daughter in the event that George died without heirs, a contingency that came to pass in 1804.