Crook of Mississippi

Looking for Emma E.Crook from Mississippi born in 1840. There is certainly Indian hertiage from looking at her picture. She married W.M. Montgomery and they lived in Izzard County, Arkansas, later moving to Cleburne, Johnson County, Texas. W. M. died and is buried in Johnson County, Texas.
Emma went to live with a daughter in New Mexico. Story has it she was on a "road" trip with daughter and family when she (Emma) died - somewhere in Arizona in about 1910. Other than the above information I do not know anything further of Emma. As far as I can find there is no death certificate or record of death, etc. for Emma. Perhaps she was buried along the roadway.

The information I have from the 1880 census shows her father's birthplace as South Carolina and her mother's birthplace as Alabama.

Any help is appreciated.