 Margaret Stewart, Countess of Carrick, daughter of Walter Stewart, 3rd High Steward of Scotland and Bethóc (Beatrix) nic Gille Crist, Countess of Angus.Born ± 1206 Dundonald Castle,Irvine, Ayrshire, Scotland, died 1255 New Galloway, Dumfries and Galloway, Scotland, approximately 49 years Married/ Related to:  Niall Mac Dhonnchad, 2nd Earl of Carrick, son of Donnchadh I Mac Gilbert, 1st Earl of Carrick and Aveline Stewart (Fitzwalter), Countess of Carrick.Born 1202 Carrick, Argyllshire, Scotland, died 1256 Argyll, Clan, Fife, Scotland, 53 or 54 years Child: 1. Marjorie, Countess of CarrickBorn ± 1253 Carrick, Scotland, died Nov 1292 Carrick, Scotland, approximately 39 years | |||