 Muirchú's desires for a solely Christian Ireland are compatible with Patrick's and appear to be integrated into his portrayal of the character of Patrick.Muirchú has also been credited, along with others, most notably Tirechan, with helping to establish Armagh as the head seat of the church through his writings in his "Vita Patricii".Armagh held a powerful position in the Irish church from the early Middle Ages onward.