+———William MCELROY
              |
          +———Robert MCELROY (16 Mar 1856 Ireland – 16 Jan 1916)
          |
      +———John Ernest “Ernest” MCELROY (25 Jul 1884 R. M. of South Dufferin, Manitoba, Canada – dec.)
      |   |    
      |   +———Mary Elizabeth “Elizabeth” MORRISON ( – 1946)
      |
  +———Ross MCELROY
  |   |        
  |   |   +———BAYLISS
  |   |   |
  |   +———Mary BAYLISS (15 Sep 1884 RM of Stanley, Manitoba, Canada – 1967)
  |       |    
  |       +———Harriet HANSFORD
  |    
  Sandra MCELROY 
  |    
  +———Freda GREER