No such Order in Council as aforesaid shall be deemed to extend to any burial ground of the people called Quakers, or of the persons of the Jewish persuasion, used solely for the burial of the bodies of such people and persons respectively, unless the same be expressly mentioned in such Order; and nothing in this Act shall prevent the burial in any such burial ground in which for the time being interment is not required to be discontinued of the bodies of such people and persons respectively; and no such Order in Council as aforesaid shall be deemed to extend to any non-parochial burial ground being the property of any private person, unless the same be expressly mentioned in such Order.