There is another marriage for William Green as follows:
William Green, 24, born Rawdon, son of Wm and Huldah Green married Alice Smith, 21, born Rawdon, daughter of Henry and Phebe Smith on 10 Oct 1877 in Belleville, Hastings County.
There is a death for an Alice Green, age 32, who died 2 Jan 1886 in Thurlow, Hastings County.
I can't find any birth registrations at Ancestry for a William Green who was born in Hastings County in 1882. I also can't find any deaths in Ontario for a William Green who was born in 1882.
What information do you have on William (born 1882?) that you know for certain is true (marriage, children)?
Jacquie
Edited to remove information about child.