- Born December 19, 1825 in Lincoln, Middlesex County, Massachusetts.
- Parents were SAMUEL HARTWELL and MARY HAGAR.
- Married LUCY E. STEARNS on September 6, 1852. Lucy was born April 13, 1827; and died July 10, 1883 in Foodrow, China.
CHILDREN
- MARY EVELYN HARTWELL, born April 1, 1854; died August 7, 1864.
- CHARLES STEARNS HARTWELL, born September 3, 1855 in China; died March 3, 1931. Married CAROLINE MARIA LEE on July 2, 1889.
- LUCY C. HARTWELL, born July 21, 1857; died in infancy.
- EMILY SUSAN HARTWELL, born April 16, 1859; died October 2, 1951.
- ANNA L. HARTWELL, born September 1, 1860; died in infancy.
- GEORGE E. HARTWELL, born July 20, 1862; died March 27, 1875.
- CARRIE AMELIA HARTWELL, born June 10, 1864 in Foochow, China. Married EDWARD AUGUSTUS TUPPER on August 10, 1887.