Through him, he was a first cousin of Caroline Paget, who married Sir Nicholas Bayly, 2nd Baronet in 1737.

[2] On the death of his father on 11 November 1718, he succeeded as the 2nd Baronet Irby, of Whaplode and Boston, Lincolnshire in the Baronetage of Great Britain.

[3] In 1743, he inherited the unsettled estates of his cousin, Henry Paget, 1st Earl of Uxbridge.

Together, they had three children:[2] Lord Boston died on 30 March 1775, aged 68 and was buried in Whiston, Northamptonshire.

[2] Through his son Frederick, he was a grandfather of George Irby, 3rd Baron Boston, Rear-Admiral Hon.