Respuesta :
It was "A. Barnardo O'Higgins" who was the South American patriot of Irish descent who became the leader of newly independent Chile, although it should be noted that his leadership was initially disputed.
The South American patriot of Irish descent that became the leader of newly independent Chile was Bernardo O´Higgins ( c ). O´Higgins. Considered one of Chile´s founding fathers and named "Supreme Director of Chile". His role in the independence started in 1810.