Sarah Smith (Burnit ) - sarah burnett

any idea on sarah's maiden name?
I am a descendant through her daughter Adelaide (smith) Masterson, her daughter Viola Jane "Masteson", her daughter Firnichie "Edna" (Blurt)(Blair) Barden, Mildred Lorainne (Barden) (Meckle) Bye, and my mother Mildred Cleo Meckle (Bye) (Robinson)