Mezue ahịrịokwu na-esonụ: A mụrụ George Warren Walker na 25 Machị 1778, nwa nwoke nke isii nke Rev. Benjamin Walker, Vicar nke Northallerton, Yorkshire na Isabella (née Warren). Ọ banyere ndị agha Britain na 1799 ma nye ya ọrụ Lieutenant na 8th Regiment of (Light) Dragoons (King's Royal Irish) na 1801 wee soro ha gaa India n'afọ na-eso ya. Ọ hụrụ ọrụ n'okpuru General Lake na Agha Anglo-Maratha nke Abụọ, yana n'okpuru Major-General Sir Robert Rollo Gillespie na
Agha Anglo-Gurkha. Na 20 Julaị 1809 ọ lụrụ Anna Maria Patton na Chunar na Uttar Pradesh ugbu a. E buliri ya n'ọkwa Lieutenant Colonel n'afọ 1818, n'afọ na-eso ya ka a họpụtara ya ka ọ bụrụ Deputy Adjutant General nke Ceylon; ndị Walkers kwagara ebe ahụ wee nọrọ ebe ahụ (ewezuga ezumike na Britain 1826<unk>9) ruo Ọktọba 1838. Mgbe ahụ, a họpụtara Walker ka ọ chịkwaa ndị agha nke 21 nke North British Fusiliers, nke ọ weghaara na Madras ma soro ya gaa Bengal. N'afọ 1840, a họpụtara ya Brigadier na-achị ọdụ ụgbọ mmiri Meerut (n'oge ahụ ọ nwere ọkwa nke Major General na ntọala East Indies), ruo mgbe 1843 mgbe a kpọfere ndị 21 na Madras Presidency. Ka ọ na-eche iwu ọhụrụ ọ nwụrụ na 4 Disemba 1843, na St Thomas Mount, Madras, ebe e liri ya. Nwunye di ya nwụrụ wuru mbadamba nkume nke dị na chọọchị Northallerton.