arkessian checked the 1901 census, and found a Henry E Hoad born in Westgate in 1897: exactly the right age, exactly the right location. Hurrah!
Prompted by papersky, I checked records of soldiers killed in the First World War.
And found a record of one Henry Ellis Hoad, of Newcastle on Tyne. The site wouldn't tell me anything more without I paid up money, which I am reluctant to do; but even so...