Matad has a semi-arid climate (Köppen climate classification BSk) with warm summers and severely cold winters.
His name occurs as a witness, alongside bishops John of Glasgow, Robert of St Andrews, Cormac of Dunkeld, Gregoir of Moray, Mac Bethad of Rosemarkie, and mormaers Máel Ísu of Strathearn, Ruadrí of Mar, Matad of Atholl, as well as his kinsman, Gille Míchéil, chief of Clann meic Duib and others.