+———Thomas Peter CAIRNS
              |
          +———William “Bill” CAIRNS
          |   |    
          |   +———Pearl Irene PETERSON
          |
      +———Ronald William “Ron” CAIRNS (Saskatoon, Saskatchewan, Canada – living)
      |   |                        
      |   |                   +———Arthur STEVENSON (bef 1790 Ireland – )
      |   |                   |
      |   |               +———Hans STEVENSON (1812 Ireland – aft 1871)
      |   |               |
      |   |           +———Thomas STEVENSON (1846/7 Ireland – 22 Jul 1887)
      |   |           |   |    
      |   |           |   +———Elizabeth DRENNAN (1812 Ireland – aft 1871)
      |   |           |
      |   |       +———Thomas Andrew “Rouge” STEVENSON (22 Dec 1872 Quebec, Canada – )
      |   |       |   |    
      |   |       |   +———Anna NEALE ( – bef 1881)
      |   |       |
      |   |   +———Albert Maynard STEVENSON (Sep 1901 Wakefield, Quebec, Canada – )
      |   |   |   |        
      |   |   |   |   +———Thomas WILSON (abt 1836 Ireland – 1917 Harris, Saskatchewan, Canada)
      |   |   |   |   |
      |   |   |   +———Rachel Letitia “Lettie” WILSON (Sep 1872 Quebec, Canada – )
      |   |   |       |        
      |   |   |       |   +———William BOONE (1799 Londonderry, Ireland – 11 Nov 1880 Cantley, Hull Twp, Quebec, Canada)
      |   |   |       |   |
      |   |   |       +———Rachel BOONE (1838 Cantley, Quebec, Canada – 13 Jul 1934 Harris, Saskatchewan, Canada)
      |   |   |
      |   +———Thomasena STEVENSON ( – dec.)
      |       |    
      |       +———Annie Allison HUNTER (abt 1896 – )
      |
  +———Shane CAIRNS (Alberta, Canada – living)
  |   |    
  |   +———Brenda WOLCH ( – living)
  |    
  Blake William James CAIRNS ( – living)
  |    
  +———Ashley PURCHASE ( – living)