Sister Laurianus D'Urso, O.P., who taught for a year at Our Lady of Mercy School in the Bronx, died April 25 at St. Dominic Villa in Sinsinawa, Wis. She was 92. She taught at Our Lady of Mercy in 1968, and also was a teacher and librarian at schools in Missouri, Wisconsin, Illinois, Alabama, Minnesota and Washington state. Born in Urbana, Ill., she made final vows with the Sinsinawa Dominicans in 1941. She is survived by a brother, Lucius D'Urso. A Funeral Mass was offered April 27 at Queen of the Rosary Chapel in Sinsinawa. Burial was in the motherhouse cemetery.