once more sister bridget marie , then in her sixties , saw the 'invisible friend ' in action in the st alphonsus school yard , finding things for little deirdre and making flowers fly through the air sacred heart , ursulmes , st joseph 's , our lady of the angels - they all expelled little deirdre within a couple of weeks for months at a time , the child stayed home neighbors saw her 'running wild ' in the garden , or climbing the big oak tree on the back of the lot .