He records three instances of signs performed by Columba on the peninsula .
Adomnan of Iona records St Columba visiting the peninsula in the 6th century , and gives the impression that it was settled by Irish Gaels at that time .
St Columba records three instances of signs performed by St Columba on the peninsula .
Adomnan of Iona records St Columba visiting the peninsula in the 6th century , and gives the impression that it was settled by Irish Gaels at that time .