In the 1640s, Nicolas Poussin embarked on an extraordinary project: a cycle of seven paintings illustrating the Catholic sacraments, commissioned by the Roman nobleman Cassiano dal Pozzo. Of these, The Sacrament of Extreme Unction stands out for its somber gravity and emotional restraint, qualities that so impressed later collectors that the entire series was fiercely sought after by English aristocrats in the eighteenth century. The painting’s journey from Rome to England, and eventually to the National Gallery of Ireland, is a testament to its enduring power and the high esteem in which it has always been held. The scene unfolds at the bedside of a dying man, surrounded by mourners and clergy administering the last rites.

Poussin chooses the moment of anointing, when the priest touches the sick man's forehead with oil, symbolizing spiritual preparation for death. The gestures of the figures—hands clasped in prayer, faces turned in sorrow—echo the stoic dignity of ancient Roman reliefs, which Poussin admired and emulated. The subdued palette and the measured arrangement of the mourners direct the viewer’s gaze to the central act, while the oil lamp and the white shroud foreshadow the approach of death.

Compared to Caravaggio’s more theatrical treatments of religious subjects, Poussin’s approach is contemplative, inviting reflection rather than shock. After its completion in 1644, The Sacrament of Extreme Unction remained with Cassiano dal Pozzo’s heirs until it was acquired by the Duke of Rutland in the eighteenth century, along with the rest of the Sacraments series. The paintings were dispersed over time, but this work eventually found a permanent home in Dublin. As one of the few surviving complete sacrament paintings by Poussin, it is a touchstone for understanding his mature style—a blend of classical severity and deep human feeling.

Its careful preservation and display continue to inspire study and admiration, offering insight into both the rituals of faith and the ideals of seventeenth-century painting.