When Nevin Critten Adams was born on 13 December 1907, his father, Harley Adams, was 41 and his mother, Mary Naomi Critten, was 41. He married Leda Olena Ward on 15 September 1934, in Mercer, Missouri, United States. He lived in Madison Township, Grundy, Missouri, United States in 1920 and Jamesport, Daviess, Missouri, United States in 1930. He died on 18 December 1963, at the age of 56, and was buried in Edinburg Cemetery, Madison Township, Grundy, Missouri, United States.