+———Thomas A. MADILL (Ireland – )
          |
      +———Alexander L. MADILL (1804 County Antrim, Ireland – 3 Oct 1889 Eugenia, Grey Co, Ontario, Canada)
      |
  +———Alexander Stewart MADILL (20 Mar 1851 Canada – 1938)
  |   |    
  |   +———Mary Irene STEWART (12 Feb bet 1820 and 1823 County Caven, Ireland – 18 Feb 1898 Eugenia, Grey Co, Ontario, Canada)
  |    
  Sarah Eliza MADILL (3 Mar 1883 Artemesia, Ontario, Canada – 22 Apr 1927 Algoma, Ontario, Canada)
  |        
  |   +———John MCKEE
  |   |
  +———Mary MCKEE (18 Aug 1853 – )
      |    
      +———Margaret CARRUTHERS