Moore was the son of Thomas Moore and Ellen Colley, daughter of Dudley Cowley, Member of Parliament for Philipstown.
[1] He was returned to the Irish Parliament for Philipstown in 1703, a seat he held until 1713, and then represented King's County between 1713 and 1715.
[2] He was sworn of the Irish Privy Council in August 1715[3] and raised to the Peerage of Ireland as Baron Moore, of Tullamore in the King's County, in October of the same year.
[4] Lord Moore married firstly Mary Lum, daughter of Elnathan Lum, in 1697.
He died in September 1725 and was succeeded in the barony by his son from his first marriage, Charles, who was created Earl of Charleville in 1758.