 Venerable Catherine McAuley established the first House of Mercy on September 24, 1827, in Ireland to serve the needs of homeless and abused women and children from Dublin's slums.In 1843, Frances Warde and six other Sisters traveled from to open the order's first United States mission, in Pittsburgh, Pennsylvania.On September 24, 1873, five Sisters accompanied Mother Warde to Bordentown, New Jersey, to establish the Sisters of Mercy of New Jersey.