<prompt> Bhala okuqhubekayo kwalesi sigaba - Maphakathi nekhulu le-19, inani elikhulu labokufika base-Ireland laqanjwa emabuthweni ase-Ireland e-United States Army ngesikhathi seMpi yaseMexico naseMelika. Iningi lamasosha angama-4,811 azalelwa e-Ireland lalikhonza eButhweni Lezempi Lase-U.S., kodwa amanye ayeshiya ibutho aye eButhweni Lezempi LaseMexico, ngokuyinhloko ukuze abalekele ukuphathwa kabi yizikhulu ezingamaProthestani kanye nokucwaswa okunamandla kwamaKatolika eMelika. Lawa kwakungama-San Patricios, noma iButho likaSanta Patrick - iqembu lama - Irish elaliholwa uJohn ORiley owazalelwa eGalway, kanye namanye amaKatolika aseJalimane, aseScotland nawaseMelika. Balwa kwaze kwaba yilapho benikezela eMpini enqumayo yaseChurubusco  <response>: , futhi babulawa ngaphandle kweMexico City nguhulumeni waseMelika ngo-13 Septhemba 1847. Ibutho likhunjulwa eMexico minyaka yonke ngoSepthemba 12. 