Yes, this is the Flora who went on to marry Charles Willette.I have subsequently found out considerably more information about the family.
I have confirmed that Henry is the oldest son of John and Mary (Sorelle) Papineau, born 9 Dec 1847 in Shelburne.He has 3 brothers, John, Alfred and George, none of whom had children. This information comes from John's probate file, of which I have a copy.
John Papineau is the son if John (Jean) Papineau and Mary (Marie) Baptiste of Canada.I'm still looking for more information on them.
Likewise, Mary Sorelle is the daughter of Mitchell (probably Michel) Sorelle and Anne Rogers (?), also of Canada.I'm looking for more on them as well.
Flora's brother, Frederick, never married or had children.
Mary Jane was the daughter of Francis and Sophronia (Tetrault) Sears of Shelburne.Francis served in the Civil War and died in 1878.Sophronia was born in Canada and died in 1915.Mary Jane had one brother and three sisters., all of whom I have some information on. I also have a copy of Francis' Civil War service record and Sophronis's Widow's Pension request.
Flora had a daughter out of wedlock, Katherine, in 1888.She met and married Edward Gilligan in 1890 and was abandoned within four months.In May 1891 her daughter (my great-grandmother) Nina was born.She divorced Edward in Chittenden County Court in October 1895.I don't know when she married Charles Willette (who was, coincidentally, her son-in-law, Wilfred Blow's half brother), and I have been able to prove 12 children of that union.
If any of this is of any use to you, please just let me know and I will glady forward it to you.No use more that one of us having to pay for it.