Hello csquare55,
My great grandfather was John Abraham Waterman , born 1853 in Bromlely by Bow, his father was Charles Page Waterman, born 1818 in Ingatestone. He was the illegitimate son of Jane Waterman and James Fordham . Jane Waterman was born in Ingatestone in 1797, parents Joseph Waterman and Susanna, 4th great grand parents. I cannot find a marriage for them, but both are buried in Ingatestone.
I think his parents were Joseph Waterman and Rebecca of Hatfield Broad Oak, but cannot find a baptism for Joseph Waterman, 4th great grand parent to prove this. Joseph Rebecca Abraham and William seem to be family names that go back to Watermans of Hatfield Broad Oak, again not clear proof.
I am not sure where William Waterman and Mary Ann Burwood fit in the Waterman tree
My Waterman line lived in Bow, Poplar and on Isle of Dogs, but John Abram Waterman, eventually moved back to Essex, living in several places, and finally living in Maldon as police inspector.
Not sure how helpful this is for you
Waterman Essex