This family lived in Scotland and Ontario.

Adelaide Lennox Campbell was born on February 26, 1840, in Montreal, Quebec.

She was the second daughter of Dr. George William Campbell (1810-1882), physician, educator, and businessman.

She died on October 31, 1910, in Montreal, Quebec.

Dr. Archibald Daniel Campbell, or "A.D.", as he was called, was born on a Mosa, Middlesex County farm on November 12, 1886, and there he spent all his early life. After attending a rural public school and Glencoe High School he went on to study medicine at McGill University. He graduated in 1911. After 2 years of interning at the Royal Victoria Hospital he went west to Alberta to practice. As World War I began, he returned east to join the Canadian Medical Service and served overseas until the end of the war. On returning home he set up a practice in Montreal and went on to become an Associate Professor of Obstetrics and Gynecology at McGill University and Gynecologist and Obstetrician-in-Chief at the Montreal General Hospital. He died on September 29, 1970. (From the introductory note to his autobiography, written by William Munro Campbell in March, 1989.)

A. D. Campbell was born in Glencoe, Ontario and received his M.D.,C.M. from McGill in 1911. He served as a medical officer during World War I, and then returned to McGill to become a demonstrator in Anatomy (1920-1927). In 1934, Campbell was appointed head of the Department of Gynaecology at the Montreal General Hospital. He began to teach gynaecology at McGill in 1937. He retired from McGill in 1950.