When Jennie Etta Trowbridge was born on 6 February 1870, in Kingwood, Preston, West Virginia, United States, her father, Thomas Jefferson Trowbridge, was 52 and her mother, Mary Elizabeth Schaffer, was 32. She married William Guy Miller on 29 June 1887, in Kingwood, Preston, West Virginia, United States. They were the parents of at least 1 son. She lived in Terra Alta, Preston, West Virginia, United States in 1880. She died on 13 February 1953, in Tunnelton, Preston, West Virginia, United States, at the age of 83, and was buried in Tunnelton, Preston, West Virginia, United States.