Thank you very much for these, Bjørnar. I was kind of expecting to learn that his given name at birth was Hendrik or something like that, but if I'm reading his baptismal record correctly, it really was Henry.
According to the articles I've found so far, Henry was raised by his uncle, and Geni gives the same names for his "adopted" parents as the census has, so I think you've got the right record there. (I haven't seen anything in the articles to say that he was officially adopted, so I suspect that Geni's terms might not be quite precise there.)
Since I have never worked with Norwegian records before, I don't know how to cite them in Evidence Explained format. Could you please point me to a couple of examples of how to do that?