"Massachusetts Births and Christenings, 1639-1915," database, FamilySearch (https://familysearch.org/pal:/MM9.1.1/FZ23-CJM : 10 February 2018), Hall, 26 Apr 1844; citing CHELMSFORD,MIDDLESEX,MASSACHUSETTS, ; FHL microfilm 0962548 IT 1.
"Massachusetts, Town Clerk, Vital and Town Records, 1626-2001," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FHV3-54S : 17 October 2017), Esther A. Hall, 03 May 1847; citing Death, Chelmsford, Middlesex, Massachusetts, United States, , town clerk offices, Massachusetts; FHL microfilm 2,217,570.
"Massachusetts Deaths, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:NWZ1-PXB : 10 December 2014), Esther A. Hall, 03 May 1847; citing Chelmsford, Middlesex, Massachusetts, v 33 e 6, State Archives, Boston; FHL microfilm 959,810.
"Find A Grave Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVVK-KJGK : 11 July 2016), Esther A. Hall, 1847; Burial, Chelmsford Center, Middlesex, Massachusetts, United States of America, Forefathers Burial Ground; citing record ID 18168522, Find a Grave, http://www.findagrave.com.