Of Quaplode Lincs.

Sir Anthony Irby (17 January 1605 – 2 January 1682)[1] was an English politician who sat in the House of Commons at various times between 1640 and 1682.

Irby was the eldest son of Sir Anthony Irby and his wife Elizabeth Peyton, third daughter of Sir John Peyton, 1st Baronet.[2] Irby was admitted a fellow-commoner at Emmanuel College, Cambridge in 1620.[3] He was High Sheriff of Lincolnshire in 1637.

In April 1640, Irby was elected Member of Parliament for Boston in the Short Parliament. He was re-elected MP for Boston for the Long Parliament in November 1642. He sat until 1648 when he was excluded under Pride's Purge.

Irby was re-elected MP for Boston in 1656 for the Second Protectorate Parliament and elected for the seat again in 1659 for the Third Protectorate Parliament. In April 1660 he was re-elected MP for Boston for the Convention Parliament and held the seat until his death in 1682.

Irby married firstly, in 1623, Frances Wray, daughter of Sir William Wray, 1st Baronet, and had by her an only daughter, Elizabeth, who married Hon. George Montagu. He married secondly Margaret Smyth, daughter of Sir Richard Smythe, 2nd Baronet and after her death in 1631, next Margaret Barkham, daughter of Sir Edward Barkham, 1st Baronet, who died in 1640.[7] By his second and third wife, Irby had no surviving children, three daughters having died as infants.

On 19 August 1641, he married finally Catharine Paget, third daughter of William Paget, 4th Baron Paget, and had by her a son and five daughters.