Claude Lowther had a brief diplomatic career as honorary attach at Madrid and he was commissioned a second lieutenant in the Westmorland and Cumberland Yeomanry of the British Army who served on the Western Front in the First World War.
He was educated at Rugby School and had a brief diplomatic career as honorary attache at Madrid from 1894. He was commissioned a second lieutenant in the Westmorland and Cumberland Yeomanry of the British Army on 17 May 1899. The regiment provided troops for the Imperial Yeomanry during the Second Boer War and served on the Western Front in the First World War, latterly as infantry. 
