Hi. My gg grandparents were Manuel Silvia, b. 1852 and his wife was Isabella Pratt Taylor. She was born in Scituate and he is listed as a mariner. He died May 30, 1897. I believe his father was Antoine Silvia. Thier children, I always heard them called Uncle John, John Alden Silvia, b. Nov. 22 1872 Uncle Willie, Manuel William, b. July 29 1974 Willie married Katherine Wheeler of Everett Ma. Uncle George, George Atwood Silvia b. Dec. 14 1875 m. Margaret Cronican Uncle Mathew, Mathew Antoine b. 1878 m. Margaret La Bounty Frank B. nOw. 27 1879 D. May 1881 My Nana Mary Lavinia Silvia b. March 15, 1882 married Philippe Albert Ayotte and lastly Joseph Henry b. Sept 1886 d. Dec. 1886
....I don't know how old you are or what years the people you mentioned were born, so it's hard to say...they may be the children of one of my Nana's brother's or further down the line. there were several Silvia's in Cohasset where my people lived at the time.