This was the actual name of the political party generally called the Know-Nothing Party.
Goody-Good Party
Jacksonian Party
American Party
Constitutional Party
American Party. The 1800s "Nativist" anti-Catholic, anti-Jewish, anti-immigrant movement reached its apex in the 1850s, then quickly declined. Because its members often belonged to secret societies, they responded to questions about the party with, "I know nothing."