1877 – 1968; never married; parents: Henry Payson Briggs, Katherine Elizabeth Briggs; lived at 10 Allerton St.

She lived most of her life in her childhood home at 10 Allerton St. (torn down after WWII to make more room for 14 Allerton St.). In 1896, she authored Brookline in the Civil War, published by the Historical Society. She worked the Girl Scouts national organization.