Lewis Locke (born Louis Tacy) (November 5, 1835 - January 4, 1920) was a Private in the Union Army and a Medal of Honor recipient for his actions in the American Civil War.

Locke joined the 1st New Jersey Cavalry in October 1864, and mustered out with his regiment in July 1865.

[1] Rank and organization: Private, Company A, 1st New Jersey Cavalry.

Place and date: At Paines Crossroads, Va., April 5, 1865.

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