Mariano Arista, Mexican general and politician, 42nd President of Mexico (d. 1855)
José Mariano Martín Buenaventura Ignacio Nepomuceno García de Arista Nuez (26 July 1802 – 7 August 1855) was a noted veteran of many of Mexico's nineteenth-century wars. He served as president of Mexico from 15 January 1851 to 6 January 1853. He was the first president of Mexico to be born in the 19th century.