Peerage Record – 3231

     Nathaniel Preston was born circa 1678.² He was the son of John Preston and Anne Tighe.² He and Anne Dawson obtained a marriage license on 31 December 1718.¹ He died in 1760.
     He held the office of Member of Parliament (M.P.) for Navan between 1713 and 1760.¹ He lived at Swainston, Kilmessan, County Meath, Ireland^G.¹

     Anne Leeson is the daughter of Joseph Leeson and Margaret Brice. She married Hugh Henry on 17 July 1717.¹
     From 17 July 1717, her married name became Henry.

     Hugh Henry married Anne Leeson, daughter of Joseph Leeson and Margaret Brice, on 17 July 1717.² He died in December 1743.²
     He was a merchant and banker.¹ He lived at Straffan, County Kildare, Ireland^G.¹ He held the office of Member of Parliament (M.P.)¹ He lived at Lodge Park, County Meath, Ireland^G.

     Cecilia Leigh was the daughter of Francis Leigh.¹ She married Joseph Leeson, 1st Earl of Milltown, son of Joseph Leeson and Margaret Brice, on 20 January 1729.¹ She died on 29 October 1731.¹
     Her married name became Leeson.

     Francis Leigh lived at Rathangan, Ireland^G.¹

     John Leigh was the son of Francis Leigh.¹
     He lived at Rosegarland, County Wexford, Ireland^G.¹

     Joseph Leeson, 2nd Earl of Milltown was born in 1730 at Dublin, County Dublin, Ireland.¹ He was the son of Joseph Leeson, 1st Earl of Milltown and Cecilia Leigh.² He died on 27 November 1801 at Chelsea, London, England, unmarried.¹
     He held the office of Member of Parliament (M.P.) for Thomastown between 1757 and 1760.² He succeeded as the 2nd Viscount Russborough [I., 1760] on 2 October 1783.³ He succeeded as the 2nd Earl of Milltown [I., 1763] on 2 October 1783.³ He succeeded as the 2nd Baron Russborough [I., 1756] on 2 October 1783.³

     Brice Leeson, 3rd Earl of Milltown was born on 20 December 1735 at Russborough House, Burgage, County Wicklow, Ireland.² He was the son of Joseph Leeson, 1st Earl of Milltown and Cecilia Leigh.¹ He married Maria Graydon, daughter of John Graydon, on 25 October 1765.² He died on 10 January 1807 at age 71.²
     He succeeded as the 3rd Viscount Russborough [I., 1760] on 27 November 1801.³ He succeeded as the 3rd Earl of Milltown [I., 1763] on 27 November 1801.³ He succeeded as the 3rd Baron Russborough [I., 1756] on 27 November 1801.³

     Lady Mary Leeson was baptised on 12 November 1734.² She was the daughter of Joseph Leeson, 1st Earl of Milltown and Cecilia Leigh.^1,3 She married John Bourke, 2nd Earl of Mayo, son of John Bourke, 1st Earl of Mayo and Mary Deane, in February 1764.¹ She died on 3 June 1794 at age 59 at Westminster, London, England.²
     Her married name became Bourke. After her marriage, Lady Mary Leeson was styled as Countess of Mayo on 2 December 1790.

     John Bourke, 2nd Earl of Mayo was born circa 1729.¹ He was the son of John Bourke, 1st Earl of Mayo and Mary Deane.¹ He married Lady Mary Leeson, daughter of Joseph Leeson, 1st Earl of Milltown and Cecilia Leigh, in February 1764.¹ He died on 20 April 1792, without issue.¹
     He held the office of Member of Parliament (M.P.) for Naas between 1763 and 1790.¹ He succeeded as the 2nd Earl of the County of Mayo [I., 1785] on 2 December 1790.¹ He succeeded as the 2nd Viscount Mayo of Monycrower, co. Mayo [I., 1781] on 2 December 1790.¹ He succeeded as the 2nd Baron Naas of Naas, co. Kildare [I., 1776] on 2 December 1790.¹