Source: http://www.army.mil/cmh-pg/moh1.htm

Note: This is not my ancestry. I have NO additional information. I am just passing along information that may be useful.

CUBBERLY, WILLIAM G.

Rank and organization: Private, Company L, 8th U.S. Cavalry. Place and date: At San Carlos, Ariz., 30 May 1868. Entered service at: ------. Birth: Butler County, Ohio. Date of issue: 28 July 1868. Citation: With 2 other men he volunteered to search for a wagon passage out of a 4,000-foot valley wherein an infantry column was immobile. This small group passed 6 miles among hostile Apache terrain finding the sought passage. On their return trip down the canyon they were attacked by Apache who were successfully held at bay.