The U.S., Canada, and Australia are known for having large populations who claim Irish ancestry, but the the Irish diaspora also played a significant role in Latin America.

• There are an estimated 500,000 people of Irish descent living in Argentina.

• The Batallón de San Patricio, or St. Patricks's Batallion, was a unit of the Mexican army that fought in the Mexican-American war in 1846-1848.  Writings from the period said the batallion's flag carried two mottos: Libertad por la República Mexicana (Liberty for the Mexican Republic) as well as Erin go Bragh (Ireland Forever).
  

• The founder of the Argentine navy was Guillermo Brown, né William, born in County Mayo.  He led Argentine independence fighters in combat against the Spanish armada in 1814, and served in the Argentine navy for more than 30 years.

• The first president of Chile was Bernardo O'Higgins.

• The town of O'Brien in the province of Buenos Aires was built on land donated by Eduardo O'Brien, who was born in Ireland before emigrating to South America at 14.

• Che Guevara's grandmother's last name was Lynch.  Che's father said, "The first thing to note is that in my son's veins flowed the blood of the Irish rebels".
  

• Guillén de Lampart, born William Lamport in Ireland, was arrested and charged with plotting a rebellion to establish an independent Mexican state in 1642.  His possessions included a document he wrote that is considered to be the first  declaration of independence in the New World.

Erin go Bragh!

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