James O'Hara, 2nd Baron Tyrawley

Field Marshal James O'Hara, 2nd Baron Tyrawley and 1st Baron Kilmaine PC (1682 – 14 July 1774) was an Irish officer of the British Army.

Career
Born the son of Charles O'Hara, 1st Baron Tyrawley, James O'Hara was commissioned into the Royal Fusiliers in 1703.

He was active during the War of Spanish Succession and fought at the Siege of Barcelona in 1706 and was wounded at the Battle of Almansa in 1707 and again at the Battle of Malplaquet in 1709. In 1728, he was appointed an envoy to Portugal. He transferred to the 7th Regiment of Foot in 1739. He became Ambassador to Russia in 1743 and Governor of Minorca in 1747. He transferred Regiment again in 1755 this time to the Coldstream Guards.

He became Governor of Gibraltar in 1756 and set about improving the fortifications. These changes came under criticism from William Skinner who was British Chief Engineer. The two of them attended the House of Commons where O'Hara harangued Skinner who took the anger in good humour. There appears to have been no long term damage as O'Hara was given the rank of field marshal in 1763. He was the father of Charles O'Hara, who followed him into the army and also served as Governor of Gibraltar. A daughter was the actress George Anne Bellamy.

He was elected Fellow of the Royal Society in 1748.