My grandfather was Oliver Thomas Doiron and he did have a brother Joseph. Oliver was born June 13, 1877 and died in Westbrook, Maine on June 19,1965. He married Sophie Gallant on September 12, 1905. They had ten children.Seven born in St Alexis,Canada. Lucie, 1906, Emerentienne (Olive) 1911, Theodore 1913, Leopold 1916, Augustin 1918,Rosario 1920,Benoit 1922,then they moved to Westbrook, Me and my mother was born. Jacqueline 1924, Therese 1926 and Gerard 1928.The three youngest are still living and also Theodore. He is a Marist brother.
Olivers' father was Thomas Oliver Doiron. And as far as I know Thomas' fathers name was Laurent from PEI.I don't know if that was his birthplace.
I have the names of my mothers brothers and sister's godparents who where Doirons. They are Olive Doiron Lebrun to Emerentenne. Celina Doiron Gallant to Theodore. Josephine Doiron to Leopold. Lucie Doiron to Augustin. Andre Doiron to Rosario.All from St Alexis.