'Longfield1'Index links to: Lead / Letter
Families covered: Longfield of Castle Mary, Longfield of Cork, Longfield of Kilbride, Longfield of Longueville

Commoners (vol 1, Longfield of Longueville) reports that "The family of Longfield claims to be descended from the Longchamps of Normandy, who accompanied the Conqueror in his expedition into England". It is not clear whether or not this is (or should be) a reference to the Longueville family.
John Longfield of Denbigh then Dublin (d before 08.03.1669/70)
1. Robert Longfield of Kilbride, co. Meath (b 1652, d 18.11.1711)
  A. James Longfield (dsp 1687)
  B. William Longfield of Kilbride
  m. (1714) Elizabeth Baldwin (dau of Charles Baldwin (Master of the Rolls))
  i. Robert Longfield of Kilbride (b 1715, d 1784)
  m. (01.1744-5) Elizabeth Quin (d 04.1747, dau/heir of Dominick Quin of Quinsborough)
  a.+ issue - William (b 1745, d c1757), Robert of Dublin (b 1746, d unm 1790)
  ii. Sarah Longfield
m. (1754) Joseph Cuffe
  iii. Elizabeth Longfield
  m. (1755) William Smith of Lionsden possibly here??
  iv. Editha Longfield
  m. (1760) Jonathan Swift ("apparently unrelated to her sister Elizabeth's husband")
  v.+ other issue - Charles (bpt 09.05.1720), Alice (b 1717, d 1742), Catherine (bpt 06.11.1718)
  C. Katherine Longfield
  m. Robert Wentworth
  D. Bridget Longfield
  m. (1712) Edward Eustace of Castlemore
  E. Editha Longfield
  m. (1716) Arthur Baldwin (son of Charles Baldwin (Master of the Rolls))
  F. Hellena Mary Longfield
  m. (1717) Christian Bor (or Bir)
2. John Longfield of Castle Mary, co. Cork (b 1685 (sb 1655 or 1658?), d 22.04.1730)
  m. Mary Hawnby (dau/coheir of William Hawnby of MAllow)
  A. Robert Longfield of Castle Mary (b 1688)
  m. (1731) Margaret Geering (dau/coheir of Richard Geering (MP for Dublin))
  i. John Longfield of Castle Mary (b 03.07.1733)
m. (c03.1755) Alice Tilson (dau of Thomas Tilson)
  a. Robert Longfield of Castle Mary (dsp, MP)
  m. (04.1778) Elizabeth O'Callaghan (dau of Thomas O'Callaghan of Shanbally by Hannah, dau of Lord Chief Justice John Rogerson)
  ii. Richard Longfield of Longueville, Sheriff then Governor of co Cork, Viscount Longueville (b 1734, dsp 23.05.1756)
  m. (08.11.1756) Margaret White (d 04.1809, dau of Richard White)
  iii. Anne Longfield
m. (26.02.1753) Roger Conner of Connerville
  B. John Longfield of Longueville, co. Cork (b 24.06.1695, d 05.04.1765)
  m. (12.09.1738) Susannah Westropp (dau of Mountifort Westropp of Kilkerin)
  i. John Longfield of Longueville, Sheriff of co Cork (b 05.07.1741, d 1815)
m. (24.06.1764) Elizabeth Foster (dau of William Foster MP)
  a. John Longfield of Longueville, Sheriff of co Cork (b 05.1767, d 18.10.1842)
  m. (15.10.1797) Eleanor Lucas (d 11.1858, dau/coheir of John Lucas of Mount Lucas)
  (1) Richard Longfield of Longueville, Sheriff of co Cork (b 07.05.1802), d 18.06.1889) had issue
  m1. (07.01.1832) Harriette Elizabeth McClintock (d 27.04.1834, dau of John McClintock of Drumcar)
  m2. (31.08.1844) Jemima Lucy Birch (d 15.01.1892, dau of Wyrley Birch of Wretham Hall)
  (2) John Longfield of Kilcoleman in Bandon, co Cork (b 02.05.1804, d 27.02.1889, General) had issue
  m. (29.04.1861) Frances Patience Longfield (d 28.07.1903, dau of Rev. Mountifort Longfield of Churchill) @@ below
  (3) Margaret Eleanor Longfield (d 31.01.1883)
  m. (21.08.1820) Thomas Wood Craster of Craster Tower (d 08.09.1867)
  (4) Elizabeth Longfield (d 12.1892)
  m. (1836) Rev. Edmund Lombard
b. William Longfield (b 1768, dsp)
  c. Mountifort Longfield (vicar of Deserterges)
  m1. (11.1796) Grace Lysaght (dau of William Lysaght)
  (1) John Longfield had issue
  m. _ Cotter
  (2) Mountifort Longfield (b 1802, dsp 21.11.1884, professor, judge)
m. (1845) Elizabeth Armstrong (d 1882, dau of Andrew Armstrong by Katherine Anne, dau of James McDonnell of Belfast & Murlogh)
  (3) Robert Longfield of Dublin (b 1810, dsp 28.04.1868, QC)
  m. (14.12.1840) Charlotte Stawell (d 08.08.1894, dau of George Stawell of Croby, Summerville & Ballyveniter)
  (4) Elizabeth Longfield
  m. (04.06.1822) Daniel Conner of Manch House, Ballineen (d 02.1880)
  (5) Margaret Longfield
  m. _ McCarthy
  (6) Grace Longfield
  m. Thomas Beasley
m2. Mary Anne Conner (dau of Lt. Col. William Conner)
  (7) Frances Patience Longfield (d 28.07.1903)
  m. (29.04.1861) John Longfield of Kilcoleman in Bandon,co Cork (b 02.05.1804, d 27.02.1889, General) @@ above
(8)+ other issue - Richard (d 08.04.1898, rector of Mogelly, had issue), George (d 03.11.1878, Rev., had issue), Henry (b 1820, d 17.12.1898, had issue), William (b 1821, dsp 15.07.1905), Charles (d unm 27.04.1898), Thomas (d unm 06.05.1909), Foster (d unm 27.01.1914, Lt. Col.), Mary (d unm 1886)
  d. Robert Longfield (dsp 2908, rector of Mourne Abbey)
  e. Henry Longfield of Waterloo, co Cork (d 1851) had issue
  m. Mary Powell (dau/heir of John Powell of Sea Court)
  f. Patience Longfield
  m. John Wallis of Drishane Castle (son of Henry of Curryglasss)
  g. Elizabeth Longfield (d 08.12.1823)
  m. (16.11.1801) George Stawell of Crobeg, Summerville & Ballyveriter (d 13.01.1825, son of George)
  ii. Mountifort Longfield of Castle Mary (b 22.08.1746, d 08.06.1819, MP, Colonel)
  m. (c06.1778) Frances Bateman (dau of John George Bateman)
  a. Richard Longfield (d 1819)
  m. Maria Bruen (dau of Henry Bruen of Old Park)
  b. Robert Longfield of Castle Mary (d 1843, 3rd son) had issue
m. Cherry Hugo (dau of Thomas Hugo of Brumeen)
  c.+ other issue - John (dsp), Margaret, Letitia
  C. Hawnby Longfield of Cork (d 31.07.1741)
  m. (29.06.1731) Mary Vowell (d 09.1738, dau of Christopher Vowell of Ballyorane)
  i. Susannah Longfield (b 19.02.1734/5)
  m. Richard Parker
  D. William Longfield of Cork (b 1710, d 1777)
  m. Mary Goodman (b 23.11.1719, d 05.08.1739)
  i. John Longfield of Cork (MD)
m. (1775) Elizabeth Conroy (dau of John Conroy)
  a. Robert Longfield (3rd son) had issue (1 dau)
  m. (04.1815) Mary Martin (dau of John Martin of Cork)
  b.+ other issue (dsp)
  E. Helena Longfield
  m. (1708) Theodore Vansevenhoven of Cork
  F. Elizabeth Longfield
  m. John Tooker of Ballidinish
  G. Anne Longfield (d 07.1787)
  m. Richard Uniacke of Mount Uniacke
  H. Mary Longfield
  m. (1730) Walter Lawitt of co Cork
  I. Henrietta Longfield
  m. Rev. Thomas Squire
  J. Deborah Longfield
  m. (11.1731) James Piercy of co Cork
  K. Bryana Longfield
  m. Rev. William Bucknor of Croom

Main source(s): BIFR1976 (Longfield)
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