John Costello

1850 – 1887

John Costello served the U.S. Navy. John was 37 years old.

Keepsakes

Service Record

U.S. Navy

Medal of Honor

16 July 1876 · USS Hartford, Philadelphia, Pa. · Ordinary Seaman, U.S. Navy.

On board the U.S.S. Hartford, Philadelphia, Pa., 16 July 1876. Showing gallantry, Costello rescued from drowning a landsman of that vessel.

214, 27 July 1876.

Awards & Decorations 1

Medal of Honor - Navy July 16, 1876 · USS Hartford, Philadelphia, Pa. · Ordinary Seaman, U.S. Navy. 214, 27 July 1876.

On board the U.S.S. Hartford, Philadelphia, Pa., 16 July 1876. Showing gallantry, Costello rescued from drowning a landsman of that vessel.

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Record added August 7, 2026 neuraweb.nw

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Last updated September 17, 2026

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John Costello

U.S. Navy

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