MORRISTOWN Msgr. John Hart, pastor of Assumption Parish here, marked the 40th anniversary of his ordination to the priesthood with a Mass he celebrated, which was attended by parishioners, brother priests, family, and friends on May 15. A reception followed the Mass in the Assumption School gymnasium. Msgr. Hart was ordained on May 9, 1981 by the late Bishop Frank J. Rodimer in Annunciation Church in Wayne.