Died March 15, 1872 in San Francisco, San Francisco County, California.
Buried in Arlington National Cemetery, Arlington, Arlington County, Virginia.
Son of Jonathan Letherman and Anne Richie.
Married Mary Digges Lee.
Children: Ann Madeline and Mary Catherine.
Jonathan was an Army surgeon, and was the Medical Director of the Army of the Potomac during the Civil War. He is credited with bringing battlefield medicine into the modern age by establishing an ambulance service, first aid stations and instituting an standardized triage system for wounded soldiers.
More information about Jonathan here
(Most of Jonathan's generation changed the spelling of their surname from Letherman to Letterman.)