She may be the daughter of Joseph Gamache, either the one in Carondelet or in jefferson County.
Joseph and Sebastian LIGHT were neighbors to Joseph Gamache in Jefferson County.
My file is posted here and has Celestine in it. CAUTION! NO PROOF on her!
Check St John's Catholic Church in what is now Arnold, MO
Bob Haefner...E-mail me direct firstname.lastname@example.org