I'm beginning research on my husband's line of Shocks. Gustav H. Shock of Shawnee was an engineer on the Rock Island/Pacific line in the early 1900's. He married Lucy Isabella Adams. I can trace her line back to the 1600's, but we dont have any links to Gus. He was most likely born between 1875-85, as Lucy was b. 1885. Any help would be most appreciated.