Boston was the eldest son of Florance George Henry Irby, 5th Baron Boston, and his wife Augusta Caroline (née Saumarez), and was educated at Eton and Christ Church, Oxford. He succeeded his father in the barony in 1877 at the age of sixteen and later took his seat on the Conservative benches in the House of Lords.
Christ Church; Eton College.
Between 1885 and 1886 he served as a Lord-in-Waiting (government whip in the House of Lords) in the short-lived Conservative administration of Lord Salisbury. Boston was also deeply interested in astronomy, botany, entomology and archaeology and was a Fellow of the Society of Antiquaries and of the Geological Society. In 1936 he was awarded an Honorary Doctorate of Law (Doctor of Laws) by the University of Wales, Bangor for his services to culture.
He also served as a Deputy Lieutenant of Anglesey.
Augustus Anthony Frederick Irby, in 1890. The marriage was childless.
She died in January 1938, aged 67. Lord Boston survived her by three years and died in September 1941, aged 81.
