Found Ellen on the 1901 with her father, Thomas Richardson, and siblings
Railway Cottage, Hawick
Ellen Anderson, 27 (?)*, wife of a Railway Surfaceman, b. England
Grace Anderson, 14 months, b. Kelso
James is boarding in Larbert, Stirlingshire. He's down as aged 25 and a steam train driver.
As he travelled around, he might have died outwith Roxburghshire.
Carolyn - I know you have this but have put it up so that others might have the info to help.
gnu
Added ~
*Ellen was 17 on the 1891 so she under reported her age on her marriage cert.
James was 16 on the 1891 (born Castleton) -living with mother, Grace, and stepfather, William Rice