He was the eldest son of Sir Philip Meadows and his wife Dorothy, daughter of Edward Boscawen. On 2 June 1742 he married Jemima, daughter of Charles Montagu of Durham and granddaughter of Edward Montagu, 1st Earl of Sandwich. They had no children.
Edward Montagu (1692–1776), of Sandleford, was a brother-in-law. In 1734 he was nominated Member for Tavistock by the Duke of Bedford. All his recorded votes were against the government and he did not stand in 1741.
In 1757 he succeeded his father and in 1758 he was appointed Knight Marshal, one of the judges (along with the Lord Steward of the Household) of the Marshalsea Court.
He held this office until his death.
6th Parliament of Great Britain. 7th Parliament of Great Britain. 8th Parliament of Great Britain.
