Lord Vernon served as a Page at the Coronation of King Edward VII in 1902.

He entered the Diplomatic Service, being Honorary Attaché at Constantinople in 1908 and in Munich in 1909 until the outbreak of the War.

He served in World War I from 1914 until his death in 1915, when he contracted dysentery whilst on active service in Gallipoli.

[1] Lord Vernon died at Malta on 10 November 1915 from dysentery contracted while on service in Gallipoli.

[4] He was succeeded in the barony, along with around 10,000 acres (4,000 ha) of land in Cheshire, Derbyshire and Staffordshire,[5][6] by his younger brother Francis.