Henry Hamilton-Moore, 3rd Earl of Drogheda PC (Ire) (died 7 June 1714) was an Anglo-Irish peer and soldier.
[1] His elder brother, Charles, married Lady Letitia Isabella Robartes (eldest daughter of 1st Earl of Radnor).
William Moore (who married Lady Elizabeth Brabazon, widow of the 3rd Earl of Meath and daughter of the 14th Lord Dacre and Elizabeth Bayning, suo jure Countess of Sheppey), Lady Alice Moore (wife of the 2nd Earl of Clanbrassil and the 2nd Lord Bargeny), and Lady Mary Moore (wife of the 3rd Earl of Dalhousie and the 2nd Lord Bellenden).
He was attainted in his absence by the Irish Parliament of King James II in 1689, against whom he fought at the Battles of the Boyne and Limerick on the side of King William III.
Together, they were the parents of:[8] Lord Drogheda died on 7 June 1714 and was succeeded in his titles by his grandson, Henry, as his eldest son, Charles, predeceased him.