New Hampshire, Registrar of Vital Statistics, [New Hampshire] Index to births, early to 1900 (Salt Lake City: Filmed by the Genealogical Society of Utah, 1974).
1850 US Census, Salem MA, p. 134.
1860 US Census, Lincolnville ME, p. 301.
1880 US Census, Lincolnville ME, p. 357A.
[Anonymous], Vital Records of Lowell, Massachusetts, to the end of the year 1849 (Salem, MA: Essex Institute, 1930), 2: 88.
At the time of his second marriage, Barnard C. Morrill was an Engineer in Salem, Massachusetts.
[Anonymous], Vital Records of Salem, Massachusetts, to the end of the year 1849 (Salem, MA: Essex Institute, 1918), 6: 76.
[Anonymous], Vital Records of Salem, Massachusetts, to the end of the year 1849 (Salem, MA: Essex Institute, 1918), 2: 86.
[Anonymous], Vital Records of Salem, Massachusetts, to the end of the year 1849 (Salem, MA: Essex Institute, 1918), 2: 86.
Massachusetts Vital Records 1841-1910 Database (Electronic Database: NewEnglandAncestors.org), 48: 147.