Dr. Samuel David Radley was born on the 29th of November, 1820 in Newton Abbott, Devon, England. He was the son of Dr. William Chapple Radley M.D. and the former Elizabeth Welch. He qualified to practice medicine and pharmacy in England. Dr. Radley married Emily Elizabeth Coombe on the 14th of July, 1848 in Devon, England. She was born in 1825, the daughter of James Coombe and the former Eleanor Searle. Mrs. Radley was born at Fishacre Mills, Little Hempton, Devonshire, England. She had an older brother Benjamin and her father was a miller.
According to the obituary that appeared for Mrs. Radley, she and her husband emigrated to Canada on their honeymoon. They initially settled in Hamilton, and their daughter Frances Elizabeth was born in Hamilton on the 17th of September, 1849. Dr. and Mrs. Radley moved to Chatham in 1851. The couple had 6 more children born to them while they lived in Chatham, Mary Jane born August 6th 1852, Samuel David born on the 5th of November 1854, Eleanor Annie born on the 21st of September 1858, Emma born in 1860, William born on the 29th of September, 1863 and Edwin born in June of 1866.
The Radley family resided on Lacroix Street near Harvey Street. They had a large estate, with a beautiful rose garden. Dr. Radley conducted business on the north side of King Street, near the foot-bridge to Tecumseh Park. He was a Trustee on the Public School Board for many years. It is reported that Dr. Radley provided good patient care to slaves who had escaped from the United States, but opposed their admission to white schools.
In 1877 Dr. Radley was elected to the town counsel in Chatham, and he served one year. Dr Radley appears in the 1877 Chatham Directory. Dr. Radley died on the 25th of April, 1893 in Chatham. His wife died on the 6th of March, 1921 also in Chatham. They are buried at Maple Leaf Cemetery in Chatham.
Their son Edwin became a veterinarian. Their other son, Samuel David Radley Jr. became a doctor in Constantine, Michigan. Dr. Samuel David Radley Jr. died a young man in 1883, and left behind 2 sons, Samuel David Radley III and Joseph Wells Radley.