The term "Irish Church" generally refers to the Christian churches in Ireland, primarily the Roman Catholic Church and the Church of Ireland, which is part of the Anglican Communion. The Irish Church has a rich history, dating back to the early Christian period in the 5th century, when missionaries like Saint Patrick played a crucial role in spreading Christianity across the island. Today, the Irish Church encompasses various denominations, including Methodism and Presbyterianism. The Roman Catholic Church remains the largest, while the Church of Ireland represents a significant Protestant community. Both churches contribute to the cultural and social fabric of Ireland, influencing traditions, education, and community life.