Margaret Dowd was the wife of the son of Col. Thomas Cass. Thomas Cass, b. 1821; d. 1862. Married Adeline L. (?). The had one son: Thomas T. Cass, b. Boston, 1850; died Belmont, MA, 1875. Married in Boston, 1873, Margaret A. Dowd. Thomas T. and Margaret had three children: 1. Thomas T. Cass (III), b. 1873.Married in Boston 1897 Emeline Bedard. They had one daughter, Margaret Cass. 2. Adeline M. Cass, b. 1875. Married in Winthrop, MA, 1900, William L. Rymes. They had one daughter, Dorothey Rymes who married in 1925 Warren Hersey. 3. (son) Cass After the death of Thomas T. Cass, his widow Margaret married my great-grandfather, James F. Dugan, in Boston in 1879.