Mary Hay1
Her married name became Leith.
Child of Mary Hay and John Leith of Leith Hall
- John Leith of Leith Hall+2 d. 1763
John Leith of Leith Hall1 
He added the lands of Lair and Adlair to his estates.1
Children of John Leith of Leith Hall and Harriot Steuart
- John Leith of Leith Hall2 d. 1778
- Lt.-Gen. Sir James Leith2 d. 16 Oct 1816
- General Alexander Leith-Hay of Rannes+2 b. 1758, d. 16 May 1838
Harriot Steuart1
Her married name became Leith.
Children of Harriot Steuart and John Leith of Leith Hall
- John Leith of Leith Hall2 d. 1778
- Lt.-Gen. Sir James Leith2 d. 16 Oct 1816
- General Alexander Leith-Hay of Rannes+2 b. 1758, d. 16 May 1838
John Leith of Leith Hall1 
Lady Catherine Stewart1 
- [S323] Sir James Balfour Paul, The Scots Peerage: founded on Wood’s edition of Sir Robert Douglas’s The Peerage of Scotland (Edinburgh, Scotland: David Douglas, 1904), volume IV, page 164. Hereinafter cited as The Scots Peerage.
- [S3508] S. Thomson, “email: Kirwan Family,” e-mail message to BENR, 16 January 2009 – 12 February 2010. Hereinafter cited as “email: Kirwan Family.”
Lt.-Gen. Sir James Leith1 

by Charles Picart 2
Lt.-Gen. Sir James Leith was the son of John Leith of Leith Hall and Harriot Steuart.3 He married Lady Augusta Forbes, daughter of George Forbes, 5th Earl of Granard and Lady Georgiana Augusta Berkeley, on 14 February 1798.3 He died on 16 October 1816.1
He was awarded the Grand Cordon, Order of Merit of France.1 He was Commander of the Forces of the Windward and Leeward Islands.1 He held the office of Governor of Barbados.1 He was appointed Knight Grand Cross, Order of the Bath (G.C.B.)1
Mary Forbes1 
From 1784, her married name became Leith-Hay.
Children of Mary Forbes and General Alexander Leith-Hay of Rannes
- Harriet Christian Leith-Hay2 d. 1820
- Elizabeth Leith-Hay2
- Lt.-Col. Sir Andrew Leith-Hay of Rannes and Leith Hall+2 b. 17 Feb 1785, d. 13 Oct 1862
- Rear-Admiral John James Leith+2 b. 22 Oct 1788, d. 25 Oct 1854
Lt.-Col. Sir Andrew Leith-Hay of Rannes and Leith Hall1 
He held the office of Member of Parliament (M.P.) for Elgin between 1833 and 1838.1 He held the office of Governor of Bermuda between 1838 and 1841.1 He held the office of Member of Parliament (M.P.) for Elgin between 1841 and 1847.1 He held the office of Deputy Lieutenant (D.L.)1 He held the office of Justice of the Peace (J.P.)1
Child of Lt.-Col. Sir Andrew Leith-Hay of Rannes and Leith Hall and Mary Margaret Clark
- James Leith-Hay+2 b. 26 Nov 1820, d. 3 Apr 1887
William Clark1
Child of William Clark
- Mary Margaret Clark+2 b. 1791, d. 1859
Mary Margaret Clark1 
From 1816, her married name became Leith-Hay.
Child of Mary Margaret Clark and Lt.-Col. Sir Andrew Leith-Hay of Rannes and Leith Hall
- James Leith-Hay+3 b. 26 Nov 1820, d. 3 Apr 1887
- [S37] BP2003 volume 1, page 1461. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S40] L. G. Pine, editor, Burke’s Genealogical and Heraldic History of the Landed Gentry, 17th edition, (London, England: Burke’s Peerage Ltd, 1952), page 1189. Hereinafter cited as Burke’s Landed Gentry, 17th ed.