House of O'Reilly

• Coat of Arms
• 

  House of O'Reilly
  Lords, Kings and Princes
  of East Bréifne
  Chiefs of Clan O'Reilly

• Cadet Branches
• 

  House Nugent of Ballinlough
  Lords and Baronets of Ballinlough
  Counts Nugent von Ballinlough
  Assumed name and arms of Nugent family as their successors

• Personal Arms
• 

  Margaret Talbot née O'Reilly
  1st Baroness Talbot of Malahide
  Sister of Hugh Nugent, 1st Baronet of Ballinlough and Andrew O'Reilly, Count O'Reilly von Ballinlough
  Mother of Richard Talbot, 2nd Baron Talbot of Malahide and James Talbot, 3rd Baron Talbot of Malahide