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Leonard McCoy
StarTrek-TOS-LeonardMcCoy
Vital statistics
Position Chief medical officer

Admiral

Age Born 2227
Status Active 2364
Physical attributes
Height Unknown
Weight Unknown


Leonard H. McCoy, MD was a noted physician and scientist of the 23rd and 24th centuries. McCoy was an accomplished surgeon, physician, psychologist, and exobiologist, and was also considered an expert in space psychology. As ship's surgeon and chief medical officer, he served aboard the USS Enterprise and USS Enterprise-A for a combined twenty-seven years.


  • 2227: Born on Earth.
  • 2240s: Attends the University of Mississippi; meets Emony Dax.
  • 2245: Medical practice begins on or before this date. 2249: Daughter, Joanna, is born.
  • 2250s: Commissioned to Starfleet
  • 2251: Heads a massive inoculation program on Dramia II.
  • 2253: Develops revolutionary surgical procedure, a cerebral-cortex/brain-tissue graft..
  • 2254: Becomes romantically involved with Nancy Crater.
  • 2256: Ends relationship with Nancy.
  • 2260s: As a lieutenant commander, visits Capella IV briefly before joining the Enterprise.
  • 2266-2270: Serves as ship's surgeon and chief medical officer aboard the USS Enterprise.
  • 2268: Contracts xenopolycythemia; briefly wed to Fabrini high priestess Natira.
  • 2269: Promoted to commander.
  • 2270: Retires from Starfleet at conclusion of Kirk's five year mission.
  • 2272: His commission is re-activated at Kirk's insistence, during V'Ger incursion.
  • 2285: Instructor aboard USS Enterprise.
  • 2286: Chief medical officer of the USS Enterprise-A.
  • 2293: Imprisoned on Rura Penthe and subsequent escape helps to uncover the Khitomer conspiracy.
  • 2364: Tours newly-commissioned USS Enterprise-D.

Mirror UniverseEdit

Leonard McCoy
McCoy MirrorUniverse RichB
Mirror universe
Vital statistics
Position Lieutenant Commander

Chief medical officer

Age Born 2227
Status Active 2267
Physical attributes
Height Unknown
Weight Unknown


Leonard H. McCoy was the chief medical officer of the Terran Empire's ISS Enterprise. His sickbay was filled with torture devices that appalled Leonard McCoy of the prime universe when the two accidentally swapped places in 2267.

So alike were the actions of the two McCoys that they both spilled acid on tables in their respective sickbays, creating a duplicate burn mark on each.



New TimelineEdit

Leonard McCoy
McCoy uss enterprise v1 jjverse by stuart1001
New Timeline
Vital statistics
Position Lieutenant Commander

Medical officer

Age Born 2227
Status Active 2258
Physical attributes
Height Unknown
Weight Unknown



Leonard H. "Bones" McCoy, MD, was a Starfleet medical officer serving in the 23rd century. He became the chief medical officer of the USS Enterprise during the battle of Vulcan, serving under acting captain Spock and then his classmate at Starfleet Academy, Captain James T. Kirk.





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