Read at least one of the following links, about Irish Immigration to the U.S, and the attitudes and prejudices they faced:
http://hsp.org/education/primary-sources/letter-william-dunne-to-john-curtis-november-161846
http://hsp.org/education/primary-sources/letter-hannah-curtis-to-john-curtis-april-2-1847
http://hsp.org/education/primary-sources/letter-william-dunne-to-john-curtis-april-2-1851
http://historymatters.gmu.edu/d/5798/
http://hsp.org/sites/default/files/legacy_files/migrated/catholicherald.pdf
http://hsp.org/sites/default/files/legacy_files/migrated/worksheetcurtisletters.pdf
http://hsp.org/education/primary-sources/%E2%80%9Cwhat-irish-boys-can-do%E2%80%9D
http://hsp.org/education/primary-sources/song-%E2%80%9Cpoor-pat-must-emigrate%E2%80%9D
From:
(http://hsp.org/education/unit-plans/irish-immigration/irish-immigrant-letters-home)
(http://hsp.org/education/unit-plans/irish-immigration/irish-immigrant-ballads)