The Lambart Baronetcy, of Beau Parc in the County of Meath, was a title in the Baronetage of the United Kingdom. It was created on 13 July 1911 for Gustavus Lambart, the former Comptroller and Chamberlain to the Lord-Lieutenant of Ireland. The title became extinct on the death of his son, the second Baronet, in 1986.

The first Baronet was a descendant of the Hon. Oliver Lambart, member of 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 Kilbeggan

Kilbeggan (Parliament of Ireland constituency)

Kilbeggan was a constituency represented in the Irish House of Commons from 1612 to 1800.-History:The borough was incorporated by James I by a Charter dated 27 February 1612. The charter conferred upon the elected portreeve and burgesses the right to return two Members to Parliament...

 and younger son of Charles Lambart, 1st Earl of Cavan

Charles Lambart, 1st Earl of Cavan

Charles Lambart, 1st Earl of Cavan PC was an MP for the rotten borough of Bossiney and a military commander.-Politics:He held the office of Member of Parliament for Bossiney in 1626....

 (see Earl of Cavan

Earl of Cavan

Earl of Cavan is a title in the Peerage of Ireland. It was created in 1647 for Charles Lambart, 2nd Baron Lambart. He was made Viscount Kilcoursie, in the King's County, at the same time, also in the Peerage of Ireland...

). Oliver's son Charles Lambart, grandson Gustavus Lambart, great-grandson Charles Lambart, and great-great-grandson Gustavus Lambart, were all members of the Irish Parliament for Kilbeggan. The latter was the father of Gustavus William Lambart (1814-1886), State Steward to the Lord-Lieutenant of Ireland and father of the first Baronet.

Lambart Baronets, of Beau Parc (1911)

• Sir Gustavus Francis Lambart, 1st Baronet (1848-1926)
• Sir Oliver Francis Lambart, 2nd Baronet (1913-1986)