+———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)
      |
  +———John McKee MADILL (20 Jul 1881 Eugenia, Ontario, Canada – )
  |   |        
  |   |   +———John MCKEE
  |   |   |
  |   +———Mary MCKEE (18 Aug 1853 – )
  |       |    
  |       +———Margaret CARRUTHERS
  |    
  Muriel Alma MADILL (26 Jun 1910 Port Arthur, Ontario, Canada – )
  |        
  |   +———John B. LINKLATER
  |   |
  +———Lottie LINKLATER (1882 – )
      |    
      +———Annie JOHNSON