He succeeded his father as eleventh Baron Digby in 1920 and took his seat in the House of Lords.
Like his father, Digby was a Colonel in the Coldstream Guards (adjutant of 1st Battalion 1916–18 and acting second-in-command 1918) and was awarded the Distinguished Service Order and the Military Cross and Bar.
He was appointed Honorary Colonel of the Dorsetshire Heavy Brigade, Royal Artillery (a position his father had also held) on 8 December 1929 and continued with its successor unit the 421st (Dorset) Coast Regiment in 1947.
Lord Digby was Chairman of the Orchid Committee of the Royal Horticultural Society.
Their children include: Lord Digby died in January 1964, aged 69, and was succeeded in his titles by his son Edward.