'OReilly1'Index links to: Lead / Letter
Families covered: O'Reilly of Lower Brefney

                               
O'Hart does not spell out that the different generations took the the surname O'Reilly but makes it clear in parts of the text that they were identified as such. Somewhat arbitrarily we do not show the name in the upper section but do in the lower section.
Maolmordha (Myles)
1. Dubheron
  A. Cathalan
  i. Raghreallach (or Radheolach) (d Clontarf 1014)
  a. Artan
(1) Artgal
  (A) Connachtach (d 1089)
  (i) Macnahoidhche (McNeight) (d 1127)
  (a) Gothfrithh (Godfrey) (d 1161)
  ((1)) Charles (d 1196)
  ((A)) Annadh, "last King of East Brefney") (d 1220)
  ((i)) Charles of Lower Brefney (d Moyaleaghta 1256)
  ((a)) Donal (d Moyaleaghta 1256) - continued below
  ((b)) Neal Caoch
  ((ii)) Fergus or Feargal ancestor of Brady
  ((2)) Feargal

 

 

Donal O'Reilly (d Moyaleaghta 1256) - continued above
1. Giollaiosa O'Reilly of Lower Brefney (d 1330)
  A. Philip O'Reilly of Lower Brefney (d 1384)
  i. John O'Reilly of Lower Brefney (d 1402)
  a. Owen na Feasog O'Reilly of Lower Brefney (d 1449)
(1) Charles O'Reilly of Lower Brefney (d 1467)
  (A) John O'Reilly of Lower Brefney (d 1510)
  (i) Myles or Maolmordha O'Reilly of Lower Brefney, Chief (d 1565)
  (1) Maolmordha (named Myles by OHart) is the first mentioned by BLGI1912 ('O'Reilly of East Brefny') & BIFR1976 ('O'Reilly (co. Louth)') though BGLI1912 also names some of his early ancestors (predating those shown above).
(2) BLGI1912 & BIFR1976 identify Maolmordha's family as ...
  m. Marcella O'Donnell (d 1582, dau of Hugh duff O'Donell, Chief of Tyrconnell)
  (a) Hugh O'Reilly of Lower Brefney, Chief (d 1583)
  BLGI1912 & BIFR1976 report that Hugh was elected Chief, was knighted in June 1579, married 3 times, and left issue. O'Hart provides the continuation.
  ((1)) John Ruadh O'Reilly
O'Hart reports that John resigned the chieftaincy to his brother Philip but notes that, "according to others that brother's name was Edmond, of Kilnacrott (sic), the last "O'Reilly" of the county Cavan".
  ((A)) Hugh O'Reilly of Lower Brefney
  ((i)) Myles O'Reilly
  ((a)) Edmund O'Reilly (d in France 1693, colonel)
  (((1)))+ issue (a 1711 in France) - Connell, Owen
  ((b)) Hugh O'Reilly (a 17112, Captain in France)
  ((2))+ other issue - Philip d 1601), Mulmore (or Myles) (d 1636)
  (b) Edmund O'Reilly of Kilnacroft, Chief, 'Prince of East Brefny' (d 04.1601, 3rd son)
  m1. _ Plunkett
  m2. Bridget (or Elizabeth) Nugent (dau of Lord Delvin)
  (c)+ other issue - Donal (d 1565, had issue), John, Owen of Tullyvin, Cathoir, Philip (Prior)
  (2) ?? O'Reilly
  O'Hart (p744) reports that Owen na Feasog was "According to some genealogists ... the ancestor of Vesy and Vosey".

Main source(s): 'Irish Pedigrees' (John O'Hart, 1892 (5th edition), vol 1, 'O'Reilly (No. 1), Princes of East Brefney', p743+)
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