Background
Harcourt was the eldest son of Robert Harcourt and Frances, daughter of Geoffrey Vere, third son of John de Vere, 15th Earl of Oxford.
Harcourt was the eldest son of Robert Harcourt and Frances, daughter of Geoffrey Vere, third son of John de Vere, 15th Earl of Oxford.
Succeeding to a somewhat embarrassed estate, he sought a military career abroad. The greater part of his life was spent in Holland in the service of the Prince of Orange. He was also in favour with Elizabeth of Bohemia, who commended him to Archbishop Laud, when business of a domestic nature (connected probably with the recovery of Stanton Harcourt obliged him to repair to England in 1636.
Though holding a commission as sergeant-major from the Prince of Orange, he took an active part in the Bishops" Wars against Scotland in 1639-1640, as commander of a regiment of foot.
A diary kept by him during this campaign still exists. He arrived in Dublin on 31 December, but finding that in the meanwhile Sir Charles Coote had been appointed governor by the lords justices, some time elapsed before he was invested with the government of the city.
During the winter he was mortally wounded during an attack on Kilgobbin Castle, company Dublin; he was moved to Merrion, where he died the next day, 27 March 1642.
In consideration of his services in Ireland his widow received a parliamentary grant on 3 August 1648 of the lands of Corbally in company
Dublin, formerly in possession of Luke Netherville, an attainted rebel.
