Mary Hay 14th Countess Erroll was born to John Hay 12th Earl Erroll -1704 and Anne Drummond Countess Erroll.
In Oct 1674 Gilbert Hay 11th Earl Erroll 1631-1674 (age 43) died. His half first cousin once removed [her father] John Hay 12th Earl Erroll -1704 succeeded 12th Earl Erroll.
On 01 Oct 1674 [her father] John Hay 12th Earl Erroll -1704 and [her mother] Anne Drummond Countess Erroll were married. She by marriage Countess Erroll. She the daughter of James Drummond 3rd Earl Perth 1615-1675 (age 59) and Anne Gordon.
On 30 Dec 1704 [her father] John Hay 12th Earl Erroll -1704 died. His son [her brother] Charles Hay 13th Earl Erroll -1717 succeeded 13th Earl Erroll.
On 16 Oct 1717 [her brother] Charles Hay 13th Earl Erroll -1717 died. His sister Mary Hay 14th Countess Erroll succeeded 14th Countess Erroll.
On 19 Aug 1758 Mary Hay 14th Countess Erroll died at Slains Castle, Slains. Her great nephew James Hay 15th Earl Erroll 1726-1778 (age 32) succeeded 15th Earl Erroll.
Paternal Family Tree: Hay
Maternal Family Tree: Agnes Leslie Countess Morton 1542
Kings Wessex: Great x 17 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 14 Grand Daughter of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 20 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 15 Grand Daughter of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 9 Grand Daughter of King Edward III of England
Kings Scotland: Great x 10 Grand Daughter of Robert "The Bruce" I King Scotland
Kings Franks: Great x 15 Grand Daughter of Louis VII King Franks
Kings France: Great x 11 Grand Daughter of Philip "The Fair" IV King France
Great x 4 Grandfather: William Hay 3rd Earl Erroll 1449-1507 8 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandfather: Thomas Hay 4 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Isabel Gordon Countess Erroll 3 x Great Grand Daughter of King Edward III of England
Great x 2 Grandfather: George Hay 7th Earl Erroll 1508-1573 5 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Lyon Logie Logie
Great x 3 Grandmother: Margaret Logie
Great x 1 Grandfather: Andrew Hay 8th Earl Erroll 1531-1585 6 x Great Grand Son of King Edward III of England
GrandFather: George Hay 7 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: William Sinclair 2nd Earl Caithness 1459-1513 7 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandfather: John Sinclair 3rd Earl Caithness -1529 8 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandmother: Margaret Keith Countess Caithness 1475-
Great x 2 Grandfather: George Sinclair 4th Earl Caithness -1582 9 x Great Grand Son of King John "Lackland" of England
Great x 1 Grandmother: Agnes Sinclair Countess Erroll 10 x Great Grand Daughter of King John "Lackland" of England
Father: John Hay 12th Earl Erroll -1704 8 x Great Grand Son of King Edward III of England
Mary Hay 14th Countess Erroll -1758 9 x Great Grand Daughter of King Edward III of England
Great x 3 Grandfather: David Drummond 2nd Lord Drummond
Great x 2 Grandfather: Patrick Drummond 3rd Lord Drummond
Great x 4 Grandfather: William Ruthven 2nd Lord Ruthven
Great x 3 Grandmother: Lilias Ruthven
Great x 4 Grandmother: Janet Halyburton Lady Dirletoun
Great x 1 Grandfather: John Drummond 2nd Earl Perth 1588-1662
GrandFather: James Drummond 3rd Earl Perth 1615-1675 8 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Walter Kerr of Cessford 11 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandfather: William Kerr of Cessford 12 x Great Grand Son of King John "Lackland" of England
Great x 2 Grandfather: Robert Ker 1st Earl Roxburghe 1570-1650 13 x Great Grand Son of King John "Lackland" of England
Great x 1 Grandmother: Jean Ker Countess Perth 7 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Richard Maitland of Lethington
Great x 3 Grandfather: William Maitland of Lethington
Great x 2 Grandmother: Margaret Maitland 6 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Malcolm Fleming 3rd Lord Fleming 9 x Great Grand Son of King John "Lackland" of England
Great x 3 Grandmother: Mary Fleming 5 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Janet Stewart Lady Fleming
4 x Great Grand Daughter of King Edward III of England
Mother: Anne Drummond Countess Erroll 9 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: George Gordon 4th Earl Huntley 1514-1562 5 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: George Gordon 5th Earl Huntley -1576 6 x Great Grand Son of King Edward III of England
Great x 2 Grandfather: George Gordon 1st Marquess Huntly 7 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: James Hamilton 2nd Earl Arran 5 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Anne Hamilton Countess Huntley 1535-1574 6 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Margaret Douglas Duchess Châtellerault -1579 5 x Great Grand Daughter of King Edward III of England
Great x 1 Grandfather: George Gordon 2nd Marquess Huntly 1592-1649 7 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: John Stewart Duke Orkney
4 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Esme Stewart 1st Duke Lennox 5 x Great Grand Son of King Edward III of England
Great x 4 Grandmother: Anne Queuille Lady Aubigny
Great x 2 Grandmother: Henrietta Stewart Marchioness Huntly 1573-1642
6 x Great Grand Daughter of King Edward III of England
GrandMother: Anne Gordon 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Archibald Campbell 4th Earl Argyll 1507-1558 5 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Colin Campbell 6th Earl Argyll 1544-1584 6 x Great Grand Son of King Edward III of England
Great x 2 Grandfather: Archibald Campbell 7th Earl Argyll 7 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: William Keith 4th Earl Marischal 1506-1581 5 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: Agnes Keith Countess Moray and Argyll 1530-1588 6 x Great Grand Daughter of King Edward III of England
Great x 1 Grandmother: Anna Campbell Marchioness Huntly -1638 8 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Robert Douglas
Great x 3 Grandfather: William Douglas 6th Earl Morton 1540-1606 11 x Great Grand Son of King John "Lackland" of England
Great x 4 Grandmother: Margaret Erskine 10 x Great Grand Daughter of King John "Lackland" of England
Great x 2 Grandmother: Agnes Douglas Countess Argyll 1574-1607 12 x Great Grand Daughter of King John "Lackland" of England
Great x 4 Grandfather: George Leslie 4th Earl Rothes
Great x 3 Grandmother: Agnes Leslie Countess Morton 1542-
