William Irby, 1st Baron Boston

William Irby, 1st Baron Boston (8 March 1707 – 30 March 1775), known as Sir William Irby, 2nd Baronet from 1718 to 1761, was a British peer and Member of Parliament.

Early life Irby was born on 8 March 1707. He was the only son of Sir Edward Irby, 1st Baronet (1676–1718) and Dorothy Paget (d. ).

His paternal grandparents were Anthony Irby (heir of Sir Anthony Irby) and the former Mary Stringer (a daughter of John Stringer of Ashford, Kent). His maternal grandparents were Hon. Henry Paget (second son of the 5th Baron Paget) and the former Mary O'Rorke (a daughter of Col. Hugh O'Rorke, High Sheriff of Leitrim).

Irby was also Member of Parliament for Launceston from 1735 to 1747, for Old Sarum in 1747, and for Bodmin from 1747 to 1761. His wife served as Maid of Honour to Augusta, Princess of Wales. Together, they had three children: who married Thomas de Grey, 2nd Baron Walsingham, son of Chief Justice William de Grey, 1st Baron Walsingham and Mary Cowper, in 1772. in 1775. who married Mary Blackman, younger daughter and co-heiress of Rowland Blackman of Bath and Antigua and Priscilla ( Warren) Blackman, in 1781.

Through his youngest son William, he was a grandfather of Augusta Priscilla Irby, who married Sir William Langham, 8th Baronet, and William Henry Rowland Irby, who attended Eton and St John's College, Oxford.