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Medal of Honor Recipient

John Costello

U.S. Navy · Interim 1871 - 1899

MOH-RC-002264Source-based record

The award

Representative medal image: early Navy star design and striped ribbon. Not a portrait or a photograph of this recipient’s own medal.
Navy Medal of HonorAction-era reference: 1876

Portrait not yet available. Representative medal shown.

About this image

Presentation date is not usable for design selection. This is an action-era reference; a later presentation or replacement medal may differ.

Medal imagery and historical designs →

Medal of Honor

July 16, 1876

Philadelphia, Pennsylvania, USA

Rank at action
Ordinary Seaman
Service
U.S. Navy
Conflict
Interim 1871 - 1899
Unit or command
U.S.S. Hartford

The Citation

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

Sources & record notes

General Order comparison: pending. Current-profile review does not mean that the underlying original order has been examined.

  1. John Costello — current Society profile ↗Congressional Medal of Honor Society · Checked 2026-08-30

    current identity, service, action metadata, and citation comparison

Transcription, metadata & provenance notes
Award ID
MOH-AW-002275
Transcription status
Legacy full text · current reference profile matched
Last source check
2026-08-30
Recorded order reference (not verified against the original)
214
Accredited to
New York
Archive transcription SHA-256
c8552a4b4c926b010bde90a6e7f3b9d425f0a9e0aa8b2fc247e0c35113fadef5

Legacy transcription retained without substantive editing; rendered current reference profile variants documented in the Phase 10 evidence snapshot.

The inherited rank-1 Society candidate was confirmed by substantive comparison of identity, service, rank, unit or command, action context, and citation; candidate rank or successful rendering alone was not treated as verification. The controlled canonical unit or command is U.S.S. Hartford; the current structured profile renders U.S.S. Hartford, and the inherited wording Not documented remains preserved as a separately attributed variant. The current authoritative evidence controls the action date as 1876-07-16 and classifies the action under Interim 1871 - 1899; the inherited unnormalized date and conflict values remain preserved in the audit record. The controlled historical action place is Philadelphia, Pennsylvania, USA; the current structured place Philadelphia, Pennsylvania, USA and the complete inherited geocoder value Philadelphia, PA, USA remain preserved in the audit evidence. The inherited full citation remains canonical and checksum-protected; current rendered wording is preserved separately where transcribed. No underlying General Order was examined, so the exact-order gate remains pending and no General Order verification is claimed.