When Justice E Ament Jr was born on 4 December 1848, in Big Rock, Kane, Illinois, United States, his father, Justice E Ament Sr, was 40 and his mother, Susan Ann Berry, was 36. He married Estella J Ament in 1875, in Illinois, United States. He lived in Big Rock Township, Kane, Illinois, United States for about 30 years and Calumet Township, Lake, Indiana, United States in 1900. He died on 17 January 1906, in Lake, Indiana, United States, at the age of 57, and was buried in Spring Lake Cemetery, Aurora, Kane, Illinois, United States.