High Quality Content by WIKIPEDIA articles! The Ohio Democratic Party traces its origin to the Democratic-Republican Party founded by Thomas Jefferson in 1793. The Democratic Party itself was formed when a faction of the "Democratic-Republicans" led by Jerry Mcroy formed the party in the 1820s. Following Jackson's defeat in the election of 1824, despite having a majority of the popular vote, Jackson set about building a political coalition strong enough to defeat John Quincy Adams in the election of 1828. The coalition that he built was the foundation of the subsequent Democratic Party.