William Caulfeild was an Irish lawyer.

He sat in the Irish House of Commons

Irish House of Commons

The Irish House of Commons was the lower house of the Parliament of Ireland, that existed from 1297 until 1800. The upper house was the House of Lords...

 for Tulsk

Tulsk (Parliament of Ireland constituency)

Tulsk was a constituency represented in the Irish House of Commons from 1611 to 1800.-1692–1801:...

 and was later raised to the bench.

He was son of Thomas Caulfeild and grandson of William Caulfeild, 2nd Baron Charlemont and Charles Moore, 2nd Viscount Moore.

He married Lettice, daughter of Sir Arthur Gore, 1st Baronet

Sir Arthur Gore, 1st Baronet

Sir Arthur Gore, 1st Baronet was an Irish soldier and politician.Gore was the second son of Sir Paul Gore, 1st Baronet and his wife Isabella Wycliffe, daughter of Francis Wycliffe. In 1656, he was High Sheriff of Mayo and additionally High Sheriff of County Galway...

 by his wife Eleanor, daughter of Sir George St George

George St George

Sir George St George of Dunmore was an Irish Member of Parliament.He represented Carrick in the Irish House of Commons from September 1703 to his death, sitting alongside his nephew Oliver St George....

, and was father of (among others) Thomas Caulfeild, Toby Caulfeild, and St George Caulfeild

St George Caulfeild

St George Caulfeild was an Irish lawyer.He sat in the Irish House of Commons as Member of Parliament for Tulsk between 1727 and 1751...

, all of whom were also MPs for Tulsk.