Alexina

I am looking for info on Alexina Chauinard (Chouinard) born about 1875, in Canada married a man last name Kerovak (not sure about the spelling on that) they had a son Eugene.She remarried to Paul Lataille between 1907 and 1916 They had a son Adelard Emile Lataille (my grandfather) on feb 3 1916 in Southbridge Mass. I beleive that she died between 1920 and 1930 in Worchester county, Mass. I am looking for marriage dates and parents names Thnak you very much