Thomas Earl of Mar ^{1 2 3 4}

   Another name for Thomas was MAC DOMHNAILL, Thomas Mormaer or Earl of Mar.

   User ID: C457.

  General Notes:

"Thomas, Earl of Mar, was still under age at his mother's death in 1347-48, and must therefore have been very young when he succeeded his father. King Edward III., on 15 January 1347-48, assigned him to the care of his stepfather, William Carsewell, until his majority."

from Scots Peerage (vol 5) ³

Thomas married Margaret GRAHAM 10th Countess of Menteith, daughter of Sir John DE GRAHAM Earl of Menteith, jure uxoris and Mary STEWART 9th Countess of Menteith.^{1 2 3} (Margaret GRAHAM 10th Countess of Menteith was born by 1334 ^{2 5} and died by 1380 ².)

  Marriage Notes:

"The Earl (of Mar) married, first .... Margaret, daughter of Sir John Graham, Earl of Menteith, and Mary, Countess of Menteith, but because he had no issue by her .... divorced her, and married, secondly, Margaret Stewart, the elder daughter and co-heiress of Thomas Stewart, Earl of Angus, by whom also he had no issue."

from Scots Peerage (vol 5) ^{1 2 3}

Thomas next married Margaret STEWART co-heiress, Countess of Angus and Mar, daughter of Thomas STEWART 2nd Earl of Angus and Margaret SINCLAIR.³ (Margaret STEWART co-heiress, Countess of Angus and Mar was born about 1354.)

  Marriage Notes:

"The Earl (of Mar) married, first .... Margaret, daughter of Sir John Graham, Earl of Menteith, and Mary, Countess of Menteith, but because he had no issue by her .... divorced her, and married, secondly, Margaret Stewart, the elder daughter and co-heiress of Thomas Stewart, Earl of Angus, by whom also he had no issue."

from Scots Peerage (vol 5) ³