Isaac Butt was an Irish lawyer and politician born in 1813. He is best known for founding the Home Rule League in 1870, which aimed to gain self-governing powers for Ireland within the United Kingdom. Butt was a prominent advocate for Irish rights and worked tirelessly to promote legislative changes. Throughout his career, Butt served as a member of the British Parliament and was involved in various legal and political reforms. He played a significant role in the early stages of the Irish nationalist movement, influencing future leaders and shaping the discourse around Irish autonomy until his death in 1879.