Do some research before posting.
Google says:
The “Irish Slaves” Myth
The idea that Irish people were enslaved in the 19th-century United States is generally considered a myth by historians.
While many Irish were transported as indentured servants in the 17th century—a different, non-hereditary form of servitude—this practice had ceased long before 1860.
Google is part of the enemy. Why would we believe them?