Mariano Olier

Mariano Olier (1752-1816) was an Argentine Catholic priest, who had an outstanding performance in the fight against the smallpox epidemic, that hit the city of Buenos Aires towards the end of the 18th century.
Biography.
Mariano Vicente Joseph Ignacio Olier García was born in Buenos Aires, the son of Matheo Olier and Nicolaza Garcia de la Huerta, belonging to a distinguished family. His grandfather, Sebastian de Olier y Sopuerta, had possessed a title of nobility who was granted him by the King of Spain. The Olier family belonged to a family of noble knights from Sigüenza in the province of Guadalajara.
Mariano Olier had an outstanding performance in the fight against smallpox epidemic of 1778. In 1794 he made a petition addressed to His Majesty the King Charles IV, requesting to be granted a Chaplaincy in the Indies.
He maintained a relationship of friendship with the family of Juan Canaverys and Bernarda Catalina de Esparza, being godfather of one of his children Juan Miguel del Espíritu Santo Canaverys Jugluns, baptized on June 7, 1778.