DAR Lexington Chapter Genealogical Records Committee, Descendants of John Marshall of Billerica, Massachusetts, 1951. DAR Libary Families:Marshall: GRC:S1V301. Information from this source tagged as [Ref: DAR MARSHALL].
Vital Records of Tewksbury, Massachusetts to the end of the year 1849. Salem, MA: Essex Institute, 1912. PS184. Available at http://archive.org/details/vitalrecordsofte00tewk Information from this source tagged as [Ref: TewksburyMA vitals p[0-9]*].
Sources for birth and parent Information
date:
[Ref: TewksburyMA vitals p64]
Jan 1785 [Ref: DAR MARSHALL],
place:
[Ref: TewksburyMA vitals p64],
parents:
[Ref: DAR MARSHALL]
Daniel MARSHALL & Sarah ___ [Ref: TewksburyMA vitals p64]