 Pari gbolohun ti o tẹle: Ti a bi ọmọ ti Colonel John Yorke ati Juliana Yorke née Dodd, Yorke ni a fun ni aṣẹ bi ọmọ-ogun ni 35th Regiment of Foot ni January 22, 1808. A gbe e ga si igbakeji ni ọjọ 18 Kínní 1808, o gbe lọ si 52nd Light Infantry o si ṣiṣẹ pẹlu Regiment yẹn ni Ogun Peninsular. Nigba Ogun naa o wa ni Ogun Vimeiro ni Oṣu Kẹjọ ọdun 1808, awọn : Ogun ti Fuentes de Oñoro ni Oṣu Karun ọdun 1811, Ogun ti Ciudad Rodrigo ni Oṣu Kini ọdun 1812 ati ni Ogun ti Badajoz ni Oṣu Kẹrin ọdun 1812, nibiti o ti farapa. Lẹyìn tí ara rẹ ti yá, ó lọ kópa nínú Ogun Salamanca ní July 1812, Ogun Vitoria ní June 1813, Ogun Pyrenees ní July 1813, Ogun Nivelle ní November 1813 àti Ogun Nive ní December 1813. Lẹyìn tí wọn gbé e gorí ipò ọgágun ní 20 January 1814, ó tún jagun ní Ogun Orthez ní February 1814, níbi tí wọn tún ti ṣe é léṣe. 