Older thread re-visited - you may of course have unravelled further information on the Farrow family since 2010.  There may be some bits that might add to your family. At a glance some information contained in ancestry tree is incorrect  

There was a headstone for a Richard Farrow at Prospect Cemetery but wrong aged for yours. 
Died 31 October 1954 aged 68 years !!  

1921 census 483 Quebec Ave Toronto.
Thomas Farrow 39   Head
Ann Farrow 39   Wife
Thomas Farrow 19   Son
Gladys Farrow 14   Daughter
Annie Farrow 11   Daughter  (died 4 May 1930 - Pulmonary Tuberculois) Burial Prospect Cemetery.
Richard Farrow   5   Son   (Believed to have died in the 1970's Toronto ?)
George Campbell 22   Lodger
The birth record showed Richard as Richard Kitchener Farrow  born 27 June 1916 1 Gertrude Avenue. York Ontario.  (Originally marked Robert Kitchener Farrow, the record was altered 13-7-1962 
Daughter - Annie burial at Prospect Cemetery.
http://www.finditatmpg.com/Details.aspx?GID=dBQ7sXoF%2bmuKY9XYNqiAmg%3d%3dSandra