Colonel John Caulfeild styled The Honourable from birth, was an Irish

Ireland

Ireland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth...

 soldier and politician.

He was the fourth son of the 1st Viscount Charlemont

William Caulfeild, 1st Viscount Charlemont

William Caulfeild, 1st Viscount Charlemont PC was an Irish politician and peer.-Background:Born in Donamon Castle in County Roscommon, he was third son of William Caulfeild, 2nd Baron Caulfeild and his wife Mary King, daughter of Sir John King...

 and his wife Hon. Sarah Moore, second daughter of the 2nd Viscount Moore. Caulfield was educated at Trinity College, Dublin

Trinity College, Dublin

Trinity College, Dublin , formally known as the College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin, was founded in 1592 by letters patent from Queen Elizabeth I as the "mother of a university", Extracts from Letters Patent of Elizabeth I, 1592: "...we...found and...

 and was appointed Burgess of Charlemont

Charlemont

Charlemont is a small village in County Armagh, Northern Ireland. It had a population of 150 people in the 2001 Census. It is situated within the Armagh City and District Council area...

 in 1697. From 1703 to 1707, he was Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 (MP) for Charlemont

Charlemont (Parliament of Ireland constituency)

Charlemont was a constituency represented in the Irish House of Commons until 1800.-History:In the Patriot Parliament of 1689 summoned by King James II, Charlemont was not represented.-1689–1801:...

.

Caulfeild was married to Sydney Somerville, daughter of James Somerville. They had a son and a daughter.