Career
Arthur"s father was Edward Cooper (c 1616–1676), a cornet in the Cromwellian army who was awarded lands in County Sligo in 1663 after the defeat of the O"Brien Clan. Edward bequeathed Markree to Arthur, and his lands in Limerick and Kerry to Arthur"s younger brother Richard. Joshua Cooper married Mary Bingham, the daughter of Richard Bingham of Newbrook, County Mayo.
They had two sons, Joshua (1732–1800) and Richard.
On his death, the Markree estate passed to Joshua, who was also an Member of Parliament and became a Privy Councillor.
