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COMMANDER // 1824–1879

John Riley

sergeantMexicoMexico

Lifespan

18241879

18301840185018601870

Profile

John Patrick Riley was an Irish soldier in the British Army who emigrated to the United States and subsequently enlisted in the United States Army. During the Mexican–American War of 1846–1848, Riley led several other defectors in the ranks who defected to Mexico, where they formed the Saint Patrick's Battalion in the Mexican Army.

Source · Wikipedia · Q2270426

Last verified June 2026
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