On 15 May 1775, Lord Boston married Christiana Methuen (d. 1832), Her brother,
Paul Cobb Methuen, was the father of
Paul Methuen, 1st Baron Methuen. Together, they were the parents of thirteen children, including: • Hon. Charlotte Irby (1776–1848), who died unmarried. •
George Irby, 3rd Baron Boston (1777–1856), who married Rachel Ives Drake, daughter of
William Drake, MP for
Amersham, and Rachel Elizabeth Ives, in 1801. • Hon. Albinia Irby (1782–1839), a spinster who died at
Ostallgäu, Germany. • Hon. Henry Edward Irby (1783–1821), a Lt.-Col. in the
2nd Life Guards who fought at the
Battle of Waterloo and died with the
1st West India Regiment. • Hon. Paul Anthony Irby (1784–1865), the Vicar of
Cottesbrooke; he married Patience Anne
Champion de Crespigny, daughter of
Sir William Champion de Crespigny, 2nd Baronet and Lady Sarah Windsor (a daughter of the
4th Earl of Plymouth), in 1814. After her death in 1831, he married Wilhelmina Powell, daughter of David Powell of Bench House, Loughton, Essex, in 1836. After her death in 1842, he married Augusta Cowell, daughter of John B. Cowell, in 1849. author of
Travels in Egypt and Nubia, Syria, and Asia Minor; during the years 1817 & 1818 and
Travels in Egypt and Nubia, Syria, and the Holy Land (1852); he married Frances Mangles, daughter of John Mangles, in 1825. ==References==