Joseph Marello was an Italian Catholic bishop born in Turin in 1844. After serving as an assistant to the Bishop of Asti, he established the Oblates of Saint Joseph in 1878. He participated in the First Vatican Council before being appointed as the Bishop of Acqui in 1889. Known for his active ministry, he personally visited 143 parishes within his diocese. He died in Savona on May 30, 1895, and is recognized as a saint in the Catholic tradition.