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Medal of Honor Recipient

Martin Thomas McMahon

U.S. Army · Civil War

MOH-RC-000951Source-based record

The award

Representative medal image: original Army design. Not a portrait or a photograph of this recipient’s own medal.
Army Medal of HonorAction-era reference: 1862

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

June 30, 1862

White Oak Swamp, Virginia, USA

Rank at action
Captain & Aide-de-Camp
Service
U.S. Army
Conflict
Civil War
Unit or command
U.S. Volunteers

The Citation

Sources ↓
Under fire of the enemy, successfully destroyed a valuable train that had been abandoned and prevented it from falling into the hands of the enemy.

Sources & record notes

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

  1. Martin Thomas McMahon — current Society profile ↗Congressional Medal of Honor Society · Checked 2026-08-28

    current identity, service, action metadata, and citation comparison

Transcription, metadata & provenance notes
Award ID
MOH-AW-000957
Transcription status
Legacy full text · current reference profile matched
Last source check
2026-08-28
Later or highest recorded rank
Brevet Major General
Entered service at
California
Archive transcription SHA-256
9f29331f7190ac82a36dda3e144d0212f3db8584bbaf9135103d24c31eb6e8b1

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

The reference profile expands the name, normalizes action-rank capitalization and punctuation, records Brevet Major General as the highest rank, and supplies the historical White Oak Swamp place. The citation matches exactly.