Hi , Nor researching the family - but a few thoughts
Roseanna POOLEY b 1913, age aprox 15
Nancy POOLEY b 1915 age aorox 12 England
came to Canada 1927 with sister.
Evelyn Isabella RUTHERFORD nee POOLEY. Why did the girls come to Canada ?
Evelyn Isabella RUTHERFORD returned to England in 1932 along with family including her husband ?To stay?
Why did she return to England with family . Did she return to Canada at any point.
Was there any correspondence
Roseanna POOLEY wound have been aprox 19 years old - Nancy POOLEY aprox age 17 years in 1932. Perhaps they chose to stay in Canada - Married - or had the prospect - or had employment.
Where did the married sister Evelyn Isabella /Bella RUTHERFORD nee POOLEY live while in Canada Did the Husband ? given name ? have family in Canada.
What was his occupation in Canada?
Any other information - that might help locate the girls -