"Katie" Barnes Chastain-b1870 Oklahoma

Looking for any information regarding Cathryne "Katie" Barnes, b 1870 Bristow, Creek County, OK.Katie married Joseph E. Chastain 1895, had two children - Myrtle Chastain b 1896 and William John Chastain b 1897.Joseph and Katie divorced later and she took Myrtle and Joseph took William.Family has been looking for Katie and Myrtle for over 25 years now with no luck.Any help out there would be greatly appreciated.Micki ([email protected])