+———O’NEILL
  |    
  Maureen O’NEILL 
  |                                    
  |                               +———Johannes HOOLEY (abt 1680 Switzerland – )
  |                               |
  |                           +———Johannes “John” HOOLEY (1710 Switzerland – 3 May 1783 Berks Co, Pennsylvania, USA)
  |                           |   |    
  |                           |   +———UNKNOWN
  |                           |
  |                       +———David HOOLEY (12 Dec 1754 Berks, Pennsylvania, USA – 1818 Conemaugh Twp, Pennsylvania, USA)
  |                       |   |    
  |                       |   +———Veronica Freni MULLER (1710 Switzerland – 19 Feb 1769 Berks, Pennsylvania, USA)
  |                       |
  |                   +———John HOLLEY (1786 Somerset, Pennsylvania, USA – 1815 York, Ontario, Canada)
  |                   |   |    
  |                   |   +———Catherine GINDLESPERGER (1754 Berks, Pennsylvania, USA – abt 1793 Pennsylvania, USA)
  |                   |
  |               +———Adam HOLLEY (abt 1811 Humber, Etobicoke, Ontario, Canada – 16 Jan 1892 Artemesia Twp, Grey Co, Ontario, Canada)
  |               |   |        
  |               |   |   +———Joseph John SCHANTZ
  |               |   |   |
  |               |   +———Francis Veronica SCHANTZ (22 Jan 1786 Berlin, Pennsylvania, USA – Oct 1869 Peru, Indiana, USA)
  |               |
  |           +———John HOLLEY (24 Nov 1833 Albion Twp, Peel Co, ON – 31 Aug 1917 Vandeleur, Ontario, Canada)
  |           |   |        
  |           |   |   +———William CHEAVINS (abt 1778 Newark (Notthingham), England – Albion, Ontario, Canada)
  |           |   |   |
  |           |   +———Sarah CHEAVINS (1814 New York, USA – abt 1855 Grey Co, Ontario, Canada)
  |           |       |    
  |           |       +———Mary (abt 1778 – )
  |           |
  |       +———William John HOLLEY (12 Nov 1861 Vandeleur, Ontario, Canada – 12 Jun 1942 Holland Centre, Ontario, Canada)
  |       |   |        
  |       |   |   +———Robert HARVEY
  |       |   |   |
  |       |   +———Hannah Margaret HARVEY (17 Jul 1838 Ontario, Canada – 31 Mar 1917)
  |       |       |        
  |       |       |   +———Benjamin CHRISTNER (13 Sep 1785 Bedford, Pennsylvania, USA – 1 Mar 1854)
  |       |       |   |
  |       |       +———Barbara CHRISTNER ( – 27 Dec 1856)
  |       |           |    
  |       |           +———Margaret MCKENZIE (abt 1787 Scotland – 2 Oct 1862 Etobicoke, Ontario, Canada)
  |       |
  |   +———George Ira “Ira” HOLLEY (23 Feb 1885 Vandeleur, Ontario, Canada – 20 Aug 1954 Coquitlam, British Columbia, Canada)
  |   |   |        
  |   |   |   +———Samuel BOWLES (abt 1832 Albion Co, Ontario, Canada – 25 Feb 1906 Ontario, Canada)
  |   |   |   |
  |   |   +———Margaret Ann “Mary” BOWLES (15 Sep 1866 Ontario, Canada – aft Mar 1934)
  |   |       |    
  |   |       +———Ann “Annie” MORRISON (Jul 1831 Westport, County Mayo, Ireland – 11 Dec 1927 Beaver Valley, Ontario, Canada)
  |   |
  +———Beatrice HOLLEY
      |        
      |   +———Daniel Donaldson BATH (Jan 1855 England – )
      |   |
      +———Lydia Oretta BATH (31 Jul 1892 Kimberly, Ontario, Canada – 8 Nov 1968 at home in Coquitlam, British Columbia, Canada)
          |    
          +———Ann Marie “Annie” REAR (Sep 1863 Ontario, Canada – )