The birth dates of Daniel Richardson's children are listed in the Newbury Vital Records, and there appears to be little evidence that he lived in Methuen until after 1737. According to the Massachusetts Tax list of 1771, he owned land in Methuen at that time, but was not polls ratable.

The birth dates (followed by Vital Record Volume and page numbers) are as follows:

Christopher, May 16, 1724, V1 p436
Hannah, September 12, 1726, V1 p437
Daniel, June 12, 1730, V1 p437
Sarah, May 27, 1733, V1 p438
Stephen, August 6, 1737, V1 p438

It must have been another Hannah Richardson who married Stephen Farnum, as their intention to marry was filed on December 8, 1726 (Andover VR V2 p285).