Yes, he was a Freemason. If you look up Freemasons in America in the 19th century, they were not really Luciferians like Pike wants you to think. Of course certain fraternities probably worshipped Lucifer and others had weird rituals, but most were benign and the Jacksonian types were against the bankers who wanted big government and central banks.

The Anti-Mason party was pro-aristicratic, pro-whig, and pro-central banking.