I'd suggest, if you want help on a profile (especially someone long dead), to make it open. It's very difficult to do anything to help, otherwise.
I haven't been able to find his parents yet, but I do have other information, regarding his wife and children. I've made a profile for Ellen: https://www.wikitree.com/wiki/Buffet-19
You should be able to add her as his wife. And you're very welcome then to take over the profiles.
ed. There were at least three families of Poole in Channel having children at around the right time to be Michael's parents: Thomas Poole and Olivia Alice; William Poole and Mary Ann; and John Poole and Hannah. This is complete speculation, but if the Walter Poole who witnessed Ellen and Michael's wedding was Michael's brother, and if he is the same as John Walter Poole, son of John and Hannah, https://familysearch.org/ark:/61903/1:1:QK9Y-MRQ6 then Michael would be the son of John and Hannah.
See also: http://ngb.chebucto.org/Vstats/pre-1891-channel-meth-bap-1862-1892-p-1-22-blp.shtml