The Censuses for 1881 (Casey, Ducett) - it's gotta be Dosite - as well as that of 1901 and 1911 would confirm this information. 1 - In 1881 Octave is 13 years old (born c 1868) 2 - In 1901 Octave is married and said to be born 22 jan 1868. He has a son Joseph O. born 18 oct 1899 (I assume the O stands for Octave like his father) 3 - In 1911 there is the same Octave (1868) and this time he has a son Joseph born Oct 1900 (Must be the Joseph O of 1901)
Everything but the difference in the year of birth (1899 and 1900) seems to fit the situation. So, I think my data about the lineage and years of birth are correct.
The 1874 Octave is the question mark.I have six Octave in my db but none in 1874.I have one born in 1872 in Caraquet and he appears to have spent all his life (died 1933) in Gloucester County. And I have one born in 1876, and I know very little about him. He was counted in the 1881 Census in Shediac with his father Placide whom I have not been able to connect to the Caissie tree.