John Hackett (Wisconsin)

John Hackett (1808 – February 5, 1886) was an American politician and businessman.

Born in Vermont, Hackett moved to Wisconsin Territory and settled in Beloit, Wisconsin Territory. He was a merchant and owned a store. He served in the Wisconsin Territorial Legislature from 1840 to 1842 as a Democrat. Hackett then served in the first Wisconsin Constitutional Convention. Then in 1852, he served in the Wisconsin State Assembly. He lost a bid to return to that seat in 1853, losing by 224 votes to Samuel Colley, the candidate of the new Republican Party. Hackett was mayor of Beloit, Wisconsin in 1879. He died in Los Angeles, California in 1886, where he had gone because of ill health to recover from.