 He died of a cerebral hemorrhage on 30 May 1895.Marello was due to leave a week after the centennial celebration, but wanted to offer his respects to Bishop Giuseppe Boraggini of the diocese of Savona (1879–1897), who was not there, and so Marello decided to stay longer in the town until Boraggini's return; this was on 27 May 1895, after he celebrated what would be his final Mass.Marello first went on a Marian pilgrimage in the town and then called on the bishop that evening; he was exhausted but accepted a dinner invitation.