Since your email address is not shown I'll respond this way.
The published vital records of Oxford gives the following intention of marriage:
Nichols, Abijah and Susan Underwood of Dudley, int. Aug. 21, 1819.
The Dudley VR shows the marriage:
Underwood, Susan and Abijah Nichols of Oxford, Sept. 15, 1819.
The Oxford VR shows the following births:
Nichols, Mary Elisa, d. Abijah and Susan, Nov. 2, 1820.
Nichols [Nickols in dup.], Abijah Harris, s. David and Anna, Jan. 2, 179__. There are also 7 siblings.
The Reading VR gives an intention of marriage:
Biathron, George W. and Mary E. Nichols of South Reading, int. Feb. 21, 1847.
The Wakefield VR gives the marriage:
Biathrow, George W., a. 22 y., of Reading, and Mary E. Nichols, Apr. 7, 1847.
Also of interest is:
Biathrow, Stillman A., a. 22 y., of Reading (s. of Lewis and Sarah, dup.) and Mary S. Jackson, a . 23 y., (d. of Jacob and Nancy, dup.), Apr. 20, 1848. It may be that George W. and Stillman A. were brothers and both sons of Lewis and Sarah.
The Reading VR gives the birth of a son but no name given:
Biathrow, ____, s. of George W. and Mary E., Apr. 26, 1848.
The Oxford VR gives the marriage of Abijah's parents:
Nichols, David and Anna Harris, March 12, 1789.
The LDS Ancestral File gives the ancestors of David Nichols and many siblings but with the error that David was not born in Oxford, he and four other siblings were born in Charlton whose VR gives:
Nickels, David, s. John and Jerusha, Jan. 2, 1767.
The Oxford VR gives the marriage of the parents:
Nichols, John and Jerusha Moore, May 15, 1755.
The Oxford VR gives the following birth:
Harris, Anna [Anne, C.R.], d. Samuel and Margarit, Aug. 14, 1768.
There is also the marriage of her parents:
Harris, Samuel and Margret Robins, Aug. 27, 1752.
and the birth of her mother:
Robins, Margarit, d. Joseph and Elizabeth, Dec. 24, 1731.
The LDS Ancestral File gives three or more generations of ancestors for Jerusha Moore.
David Butler Cummings