Dr. William “Peter” Derck was born on the 12th of October, 1866. According to the 1871 census, his parents Daniel Derck and the former Rebecca McMillan lived in Bothwell, Howard Twp, Kent County. His father was a wagon maker. By 1881, the Derck family had moved to Harwich Twp. and Dr. Derck was a public school teacher, saving money to attend medical school.
After completing medical school Dr. Derck, set up his medical practice in Chatham. His practice was advertised in the 1895-1896 Chatham Business Directory. The office was located at 14 St. George Street.
Dr. Derck married Mary Evdora Bass on the 13th of September, 1893 in Chatham. Mary was born in June of 1873 in Belle River, Ontario. She was the daughter of Daniel and Ann Bass. She had 2 younger sisters, Aleatta and Eva.
Dr. and Mrs. Derck, moved to Port Huron, Michigan prior to the birth of their daughter Verna Elizabeth Derck (born May 1898).
Mrs. Derck died on the 13th of May, 1912 in Port Huron. She was buried at Lakeside Cemetery in Port Huron, Michigan. Dr. Derck married Margaret Mignon Wood on the 11th of April, 1917. She was born on the 29th of September, 1882 in Detroit, Michigan, the daughter of Leaunder Chubbock and the former Emma Thayer. Mrs. Derck had been widowed and brought a young son, Milton Chubbick Wood (father Charles Milton Wood) to the marriage. According to the 1920 United States census, Dr. and Mrs. Derck were residing at 30 Huron Blvd, in Marysville, Michigan. Mrs. Derck’s parents lived next door. According to the 1930 Census, Dr. and Mrs. Derck were residing at 4110 Gratiot Road, in Marysville.
Dr. Derck died in 1946 and he was buried next to his first wife at the Lakeside Cemetery, Port Huron, Michigan. Mrs. Margaret Derck died in July of 1967 and she was also buried at Lakeside Cemetery.