Daniel O'Connell, born in 1775, was a prominent Irish lawyer and political leader who campaigned for Catholic emancipation and the repeal of the Act of Union. He founded the Catholic Association in 1823 to advocate for the rights of Catholics, achieving significant milestones including his election as the MP for Co. Clare in 1828 and the granting of Catholic emancipation in 1829. O'Connell passed away in 1847, after which he was remembered through monuments and statues that honor his contributions to Irish politics and society.