Augustin Gussie Smith Pierce

I am tying to get information on Augustine "Gussie" Smith Pierce birth abt 1852 death abt 1916 I found her in 2 census reports 1900 and 1910. I can not find anything on her before 1900. She is my great grandmother. My great grandfather is William E Pierce. My Granny was their 1st child Mary Allie "Ollie" Pierce Bozeman b.11 Nov.1883 d.10 Oct 1934.