Boston physician and patriot.

Studied medicine with James Lloyd. Leading practitioner of smallpox inoculation. Mason (1761); provincial Grand Master (1769). Ardent Whig; rose to prominence in Stamp Act controversy (1765) and also played a prominent role in the aftermath of the Boston “Massacre.” Friend of John Adams. Served on the Boston committee of correspondence (1772-74) and Massachusetts Committee of Safety (1774-75). Major general in the Massachusetts militia (1775).

Son of Joseph and Mary (Stevens) Warren of Roxbury, Massachusetts. Educated at Harvard (B.A. 1759). Married Elizabeth Hooton (1764); four children. Killed at Breed’s Hill.