Miguel Asín Palacios was born in Zaragoza, Aragón, on July 5, 1871, into the modest commercial family of Don Pablo Asín and Doña Filomena Palacios. His older brother Luis, his younger sister Dolores, and he were little children when their father died of pneumonia. His mother the young widow continued in business with help and made ends meet with decorum but not as well as before. He attended the Colegio de El Salvador instructed by Jesuits in Zaragoza, where he began to make lifelong friendships. He entered the Seminario Conciliar, singing his first Mass at San Cayetano in Zaragoza in 1895.