Unit: L Troop, 3rd Squadron, 11th Cavalry Regiment
Entered service: 17-Jun-1901
Enlisted: New York City, New York
Hometown: London, England
Campaign: Philippine Insurrection
Date of casualty: 17-Feb-1903
Cause of death: Joseph O’Neill died from tetanus.
Location of fatality: Salomague, Philippines
Notes: Repatriated on board the Logan. Received in San Francisco February 12, 1904.
Place of interment: San Francisco National Cemetery, San Francisco, California, USA