All I have is from the Boston Transcripts, which had that Abigail Greenland m William Ireland and was the mother of no children.It also doesn't list the child, Abrahm, that you have.Was this child born in Rumney Marsh? Those records were not listed.
There is a son of Abraham Ireland and Abigail Durrant named Abraham b in 1713, appears to be too young to be yours.
These records seem to suggest the Ireland's Abraham and William were born in another land.I'm not sure where, but the church affiliation suggests England.There seems to be quite a bit of documentation still available in the Boston area, per the transcript records posted lower in this site.(I typed what I had)
If you have records or information that Abigail Greenland had descendents, please let me know.I have her down as childless.