Hi Anonymous! I hope you will join us!
This is a tough one without more details. Here is a list of possible Norfolk County, Massachusetts Census records for your George: US and Massachusetts Census Records I think that the George H Adams, son of Ebenezer in Quincy might be your guy because Quincy is right next door to Braintree which is south of Quincy.
And I wonder if this is your George Adam
The New Zealand passengers lists might help if you know when he moved there. Good luck!