Tom's father Jim left Polk County, Arkansas after March 1865 , by October 1870 the family were residing in Lamoille Valley, Elko County, Nevada. Tom's grandfather George was alive June 4, 1860 in Center, Polk Co., Arkansas, it is not known his exact death date and where, he may of went with the family and died in route to their planned destination of Washington State.
It is not likely that he was left in Arkansas if he were alive,this writer puts his death at 1860-1870.

For reasons known only to Jim the family left Nevada and traveled to Northern California and were living in Shasta County by June 3, 1880.My great grandparents (Tom and Effie ) were married in Happy Valley, Shasta Co., September22, 1887.By June 18, 1900 Tom, Effie and five of their eleven children are living in Fresno County, California. Tom's parents Jim and Mary are living near by with his now married sister Lizzie Campbell and her two children and their brother Frank Montgomery. Mother Mary dies in 1903 and the family again moves, this time to Southern Oregon.
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(Tidbits!)
As told to Juliane by Thomas's daughter Agnes ( Aunt Aggie) "Dad had prune Orchards and I worked in them a lot. Dad had high blood pressure and he would have really awful nose bleeds all the time.I was about 17 years old and working in Ashland packing fruit, I got a call to come home right away as dad was in a bad way, when I got home he was sitting in the kitchen with a bucket between his legs and he had a bad nose bleed, he told me to go out and put his horse away, that was a bad day for me and then I had a terrible time getting the horse free from the fence."

Aggie was 11 years old when her mother died and just 18 when her father died from his high blood pressure.

A story told by Aunt Edith to her sister Agnes.
Dad and a friend, owned a drug store in California, when dad went away for a short time, the so called friend sold all the property,drug store included and ran off with the proceeds.