When Charles Willis Blackman was born on 10 May 1887, in Magnolia Township, Harrison, Iowa, United States, his father, George Albert Blackman, was 24 and his mother, Alice Hudson Sabin, was 24. He married Florence Eloise Small on 20 September 1919, in Coeur d'Alene, Kootenai, Idaho, United States. They were the parents of at least 1 son. He lived in Boyer Township, Harrison, Iowa, United States in 1900 and Garfield, Whitman, Washington, United States in 1910. He registered for military service in 1919. He died on 15 June 1975, in Spokane, Spokane, Washington, United States, at the age of 88.
English: from the Middle English personal name Blakman (Old English Blæcmann ‘black’ + ‘man’), which remained fairly common until the 13th century.