Apart from his business career, Blyth was a Justice of the Peace for Hertfordshire and Essex and served as vice-president of the Royal Society of Arts.
He was created a Baronet, of Blythewood in the Parish of Stansted Mountfitchet in the County of Essex, on 30 August 1895,[2] and on 19 July 1907 he was raised to the peerage as Baron Blyth, of Blythewood in the Parish Stansted Mountfichet in the County of Essex.
Lord Blyth married Eliza, daughter of William Mooney, in 1865.
His son Audley died in mysterious circumstances while in East Africa with John Patterson.
Lord Blyth survived her by over 30 years and died in September 1925, aged 83.