When Lafayette Cason was born on 6 March 1849, in Warsaw, Benton, Missouri, United States, his father, Dr Daniel Cason, was 39 and his mother, Julia Ann Burckhardt, was 28. He married Julia Hannah Turner on 12 January 1877. They were the parents of at least 6 sons and 4 daughters. He lived in Kline, La Plata, Colorado, United States in 1910 and Redmesa, La Plata, Colorado, United States in 1920. He died on 11 March 1935, in Denver, Colorado, United States, at the age of 86.