+--Edward A. HENNESSY 
Margaret HENNESSY  (28 SEP 1931-)
|  +--William Loughlin HANNIGAN  (6 JUN 1855-25 SEP 1929)
+--Mary Elizabeth HANNIGAN  (22 MAR 1900-27 APR 1966)
   |     +--John MCGOWAN  (bef-0ct-1798-1 OCT 1862)
   |  +--John (Jr.) MCGOWAN  (7 JUN 1837-14 FEB 1914)
   |  |  +--Bridget L. MURRAY  (BEF MAY 1815-6 APR 1845)
   +--Susan Catherine MCGOWAN  (6 JUL 1868-12 FEB 1943)
      |  +--Patrick MCCANN  (1803-JUN 1876)
      +--Mary MCCANN  (7 JUL 1839-24 FEB 1925)
         +--Susan MCCAFFERTY  (-1851)