James Clarence Mangan was an Irish poet and writer born in 1803 in Dublin. He is best known for his lyrical poetry that often reflects themes of longing, loss, and the struggles of the Irish people. Mangan's work was influenced by the Romantic movement, and he wrote in both English and Irish. Despite facing personal hardships, including poverty and health issues, Mangan contributed significantly to Irish literature. His poems were published in various periodicals, and he is often associated with the Young Ireland movement. Mangan passed away in 1849, leaving behind a legacy that continues to inspire poets and writers today.