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1  William Petty, formerly FitzMaurice, 2nd Earl of Shelburne

   b 2 May 1737, Dublin

   d 7 May 1805, Westminster




2  John Petty, formerly FitzMaurice, 1st Earl of Shelburne

   b 1706

   d 14 May 1761, Bowood, Wiltshire

   m 16 Feb 1734/35, St Bride, Dublin

3  Mary FitzMaurice


   d 9 Dec 1780, Llewenny Hall, Denbighshire




4  Thomas FitzMaurice, 1st Earl of Kerry

   b 1668

   d 16 Mar 1742, Lixnaw

   m 14 Jan 1692/93, St Peter and St Kevin, Dublin

5  Anne Petty

   bap 17 Sep 1673, St Giles in the Fields

   d Nov 1737, Lixnaw

6  William FitzMaurice of Gallane, co. Kerry

   b ca 1671

   d ca 1711

   m 25 Nov 1701, St Peter and St Kevin, Dublin

7  Deborah Brooke

   bap 1 Mar 1673/74, St Martin, Coney Street, York

   d 17 Jul 1751, Springfield, co. Limerick




8  William FitzMaurice, 20th Lord of Kerry

   b 1633

   d Mar 1696/97

   m 16 Feb 1657/58, St Botolph, Aldersgate, London

9  Constance Long

   bap 5 Oct 1637, St Martin in the Fields, Middlesex

   d 12 Oct 1685

10 Sir William Petty

   b 26 May 1623, Romsey, Hampshire

   d 16 Dec 1687, Westminster

   m 2 Jun 1667

11 Elizabeth Waller, suo jure Baroness Shelburne

   b ca 1636

   d Feb 1708

12 William FitzMaurice [8]

13 Constance Long [9]

14 Sir John Brooke of York, 1st Baronet

   bap 9 Jun 1636, St Martin, Coney Street, York

   d 18 Nov 1691, bur St Martin, Coney Street, York

   m ca 1670

15 Mary Waller


   bur 12 Jun 1701, St Martin, Coney Street, York




16 Patrick FitzMaurice, 19th Lord of Kerry

   b 1595, Lixnaw

   bur 5 Jan 1660/61, St Giles in the Fields


17 Honora FitzGerald


   d ca 1681

18 William Long of the Rose Tavern, Covent Garden, vintner


   bur 5 Aug 1661, St Paul, Covent Garden

   m 21 Feb 1632/33, St Dunstan in the East, London

19 Mary Hargrave


   bur 29 Jan 1673/74, St Paul, Covent Garden

20 Anthony Petty of Romsey, clothier

   b 1 Mar 1587

   d Jul 1644, Romsey

   m 8 Jun 1618

21 Frances Denby


   d Oct 1663, Romsey

22 Sir Hardress Waller of Castletown, co. Limerick, major-general in Cromwell’s army

   b ca 1604

   d 1666, Mont Orgueil Castle, Jersey

   m 31 Mar 1629, St James, Clerkenwell

23 Elizabeth Dowdall



28 James Brooke of York and Ellenthorpe, Yorkshire, merchant

   bap 21 Aug 1593, All Saints, Pavement, York

   d 6 Dec 1675, Ellenthorpe

   m 12 Aug 1634, Thornton Watlass

29 Priscilla Jackson

   b ca 1612

   d 4 Apr 1692, bur Aldborough

30 Sir Hardress Waller [22]

31 Elizabeth Dowdall [23]





The Complete Peerage (second edition)

The Complete Baronetage

John Lodge, The Peerage of Ireland (1754)

John Lodge, The Peerage of Ireland, revised by Mervyn Archdall (1789)

Arthur Collins, Peerage (1768)

The History of Parliament

The Dictionary of National Biography

Oxford Dictionary of National Biography

Charles Coulston Gillispie, ed., The Dictionary of Scientific Biography

Erich Strauss, Sir William Petty: Portrait of a Genius (1954)

Joseph Hunter, Familiae Minorum Gentium, ed. John William Clay (Harleian Society vols. 37-40)

Robert Davies, Walks through the City of York, ed. Elizabeth Davies (London, 1880)

The Register of the Parish of S. Peter and S. Kevin, Dublin, 1669-1761 (Parish Register Society of Dublin, 1911)

St Martin, Coney Street, York parish register transcript (Yorkshire Parish Register Society, vol. 36)

St James, Clerkenwell parish register transcript (Harleian Society, registers series, vol. 13)

St Dunstan in the East parish register transcript (Harleian Society, registers series, vol. 69)

St Paul, Covent Garden parish register transcript (Harleian Society, registers series, vol. 36)

St Bride, Dublin, parish register transcription (online at

St Martin, Coney Street, York, parish registers (online at

Thornton Watlass parish registers (online at

St Botolph, Aldersgate, London, parish registers (online at

St Giles in the Fields parish registers (online at

St Martin in the Fields parish registers

Will of Mary (Hargrave) Long

The Gentleman’s Magazine

The Scots Magazine

Sir Irvine Masson and A.J. Youngson, “Sir William Petty, F.R.S. (1623-1687)”, Notes and Records of the Royal Society of London, Jul 1960, 79-90

Wilson Lloyd Bevan, “Sir William Petty: A Study in English Economic Literature”, Publications of the American Economic Association, vol. 9 no. 4 (Aug 1894), 13-102

Edith Mary Johnston-Liik, History of the Irish Parliament 1692-1800 (2002)

The Dublin Gazette, 30 Jul-3 Aug 1751

M.F. Cusack, A History of the Kingdom of Kerry (London, 1871)

Jacob Henry Burn, A Descriptive Catalogue of the London Traders, Tavern, and Coffee-House Tokens Current in the Seventeenth Century, 2nd ed. (London, 1855)