Josiah Dunham was born in Columbia, Connecticut on April 7, 1769.[1][2] His father was Daniel Dunham, and his mother was Ann Moseley.[1][2] He graduated from Dartmouth College in 1789, and his classmates included Martin Chittenden, who later served as Governor of Vermont.[3] He resided in Hanover, New Hampshire, and became publisher of the Dartmouth Sentinel newspaper and served as preceptor of Moor's Charity School, an educational facility that was affiliated with Dartmouth College.[2][3][4]
While residing in Windsor, Dunham published a Federalist newspaper, The Washingtonian.[6] From 1813 to 1815 Dunham served as Vermont's Secretary of State.[6]
Dunham was principal of the Windsor Female Seminary from 1816 to 1821, when he moved to Kentucky. While residing in Lexington, he founded and served as principal of the Lafayette Female Academy.[2]
Throughout his career, Dunham was a popular speech maker; many of the public addresses he presented at Washington's Birthday celebrations and other events were published as pamphlets.[4]
Dunham died in Lexington on May 10, 1844. He was buried at Lexington Cemetery in Lexington.