Harriet was born May 15, 1857 to Sylvester & Sally Van Tassel. She was married to Joseph Morse in 1880 by Rev Nathaniel Freeman. They lived on a farm at Barnes Settlement. Her mother lived with them the last year of her life in 1906. Aunt Harriet died of TB March 6, 1910. Her two sons: Guy Sylvester Morse (born 1886) and Winsor Bretch Morse (1895).