Brendan of Birr was one of the early Irish monastic saints. He was a monk and later an abbot, of the 6th century. He is known as "Saint Brendan the Elder" to distinguish him from his contemporary and

Senán mac Geircinn was an Irish Christian minister. He was a resident of Munster and is important in Irish tradition, as founder of Inis Cathaigh and patron of the Corco Baiscinn and the Uí Fhidgeinte