Farmer, with brother David. Born in Saratoga, NY in 1796, he arrived in Ripon on May 27, 1844. Dunham was one of the incorporators of the Wisconsin Phalanx and a charter member of the Congregational Church, where he served in many capacities. He was a moderator at the first Bovay meeting and became deeply involved in the promotion of the new Republican Party. He died in 1862.