Matheo Olier

Matheo Olier (c.1697–1771) was a Spanish army officer and politician. He served during the Viceroyalty of Peru as Ayudante mayor in The Presidio of Buenos Aires. He also served in Spain, in the Cantabria Regiment.

Biography
Matheo was born in Sigüenza to Sebastián de Olier y Sopuerta and Valenciana Cabreriza, belonging to a noble Spanish family. He was married to María Nicolasa García de la Huerta, daughter of Jacinto García de la Huerta and Petrona de los Reyes.

Olier belonged to the Order of Bethlehemite Brothers. In 1747, he had initiated procedures for admission in the Third Order of Saint Francis. He and his wife were parents of Mariano Olier, priest in the Cathedral of Buenos Aires.

In 1750 Matheo Olier, led the persecutions against the Portuguese ships, smugglers on the Parana de las Palmas.