Dr. William Benjamin Duck was born on the 4th of September, 1857, in Morpeth, Ontario. His parents were Isaac Duck and Grace Webb. He had 2 younger sisters, Eliza and Grace. He also had 2 younger brothers, who died very young. His father was a blacksmith. Dr. Duck was educated at Morpeth Public School, Dundas Collegiate Institute and the Toronto Normal School. He attended Trinity Medical College and graduated with his M.B. in 1879 from The University of Toronto Faculty of Medicine. Dr. Duck received the highest percentage of marks in his final exams.
Dr. Duck returned to Morpeth, following his graduation and set up his practice. He advertised in the 1880 Kent County Directory.
In 1886 Dr. Duck went to Europe and did post graduate work in Paris, London, Edinburgh, Dublin, Lyon and Marseilles. Upon his return to Canada, Dr. Duck settled in Preston (now Cambridge), Ontario.
Dr. Duck was chairman of the Preston Board of Education and served in this capacity for 2 years. He was a physician to the A.O.U.W., the Independent Order of Foresters, and the Oddfellows. He became the Medical Officer of Health for Preston. Dr. Duck advertised in the 1893 Ontario Gazetteer in Preston.
He married Clara Roos on the 28th of May, 1894, in Preston. Mrs. Duck was the daughter of George and Rachel Roos. She had an older sister Angeline, and 2 younger siblings, George and Caroline. Mrs. Duck died just a year later on the 1st of June, 1895.
Dr. Duck died on the 20th of January, 1899 in Preston, Ontario of pneumonia. He was buried at the Morpeth Cemetery near his parents. He was 41 years old.