Mariano Billinghurst (1810–1892) was an Argentine businessman and politician, pioneer in the construction of the national railroads.

During this decade he began his career as an entrepreneur, being owner of a cloth factory in Buenos Aires.

[5] As a railway entrepreneur, he installed the horse-drawn tram lines, connecting Plaza de la Victoria to Flores and Plaza de la Victoria to Belgrano.

[6] He also built the railway line that linked Buenos Aires with the city of Rosario.

Susana in turn was the grandmother of actress Luciana Pedraza, the wife of actor Robert Duvall.