See Sinclair for other articles with titles that contain, either by relationship or by coincidence, this character's surname.

Sinclair was a Human female born on Alpha Centauri in the early 23rd century.

In 2267, she was a Lieutenant in Starfleet, serving as records officer aboard the USS Enterprise under Captain James T. Kirk. She was instrumental in discovering the ship used by Councillor Traal to terrorize the Zamestaad during the Enterprise's mission to Mestiko in 2267. (TOS - Mere Anarchy eBook: The Centre Cannot Hold)

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