I too am trying to search out the Da Silva connection in my family, Maternal side.Clarisse Da Silva born 1833, and married Bernard La Pointe in 1852 and the youngest child, Clement was my great grandfather. I have10 children listed but I might be wrong.
Francois Xavier Marie Thomas Auguste (Says of Scottish origin) Adopted? perhaps? Rose Delima Clementine George Joseph George Marie Georgina Clement
Not sure if any of this information helps or not...if you should know Clarisse's parents name, could you let me know?