William “Giles” Collison 
Location served:
Years in Practice:
1899 to Sometime Prior To 1956
Area of Specialization:
Family Medicine  


Dr. William “Giles” Collison was born on the 18th of December, 1975 in Mitchell, Ontario.  He was the 6th of 7 children born to Thomas Collison and the former Elizabeth Balkwill.   His parents were innkeepers and his siblings were; Maud, Lavina, Minnie, Thomas, John and Annie.

Dr. Collison graduated M.D.,C.M. from Trinity College in 1899.  He set up his medical practice in Morpeth.

By 1911 Dr. Collison was practicing medicine in Lindsay, Ontario and he resided at 20 Cambridge Street.  He married Williamina Alba Jane Chisholm on the 28th of September, 1920 in Toronto.  Mrs. Collison was born in Fergus, Ontario on the 9th of February, 1878.  She was the youngest of 3 children born to Dr. Thomas Chisholm and the former Margaret Gerrie.  At the time of Mrs. Collison’s birth her father’s occupation was listed as a teacher.  Dr. Thomas Chisholm graduated M.B. from the University of Toronto Faculty of Medicine in 1879.  Further he graduated M.D. from Victoria University in 1881.  The Chisholm family relocated to Wingham, Ontario, where her father had a successful medical practice.  Mrs. Collison had 2 older brothers; James and John.

Dr. and Mrs. Collison had 3 children.  Their daughter Alba Jean Collison was born on the 26th of March, 1912.  She died in Toronto on the 28th of December, 1930.  Their son Giles Chisholm Collison was born on the 24th of July, 1917 in Lindsay.  (He died on the 4th of January, 2004).  Another son died in infancy.

Dr. Collison died in 1956 and Mrs. Collison died 1972.  Dr. and Mrs. Collison and their children are all buried in a family plot at the Riverside Cemetery in Lindsay.

*Mrs. Collison’s brother Dr. John Samuel Chisholm became a physician, but he did not practice medicine in Chatham-Kent.