Background
He was the son of Richard Pepper Arden, 1st Baron Alvanley and Anne Dorothea (née Wilbraham-Bootle).
He was the son of Richard Pepper Arden, 1st Baron Alvanley and Anne Dorothea (née Wilbraham-Bootle).
On 19 March 1811, he purchased a cornetcy in the 15th Hussars. Promoted lieutenant on 3 October 1811, he served with the regiment in the Peninsular War from February 1813 to April 1814. Arden was gazetted a captain in the 2nd Garrison Battalion on 26 April 1815, being unable to afford a captaincy in a cavalry regiment.
Placed on half-pay, he later exchanged into the 32nd Regiment of Foot on 8 July 1819.
He purchased a commission as major in the 84th Regiment of Foot on 4 October 1822, and an unattached lieutenant-colonelcy on 30 October 1823. On 1 June 1829, he exchanged from half-pay into the Coldstream Guards as a Captain and Lieutenant-Colonel.
However, he sold out and retired from the army on 4 June 1829. With no son to inherit the title, the Barony of Alvanley became extinct when he died.