Irish Australians are individuals in Australia who have Irish ancestry or heritage. This group has a significant presence in the country, with many Australians tracing their roots back to Ireland. The Irish began migrating to Australia in large numbers during the 19th century, particularly during the Great Famine in the 1840s, leading to a rich cultural influence. Today, Irish Australians contribute to various aspects of Australian society, including politics, arts, and sports. Celebrations like St. Patrick's Day highlight their cultural heritage, showcasing traditional music, dance, and cuisine. The Irish community remains an integral part of Australia's multicultural landscape.