House of Magennis

Magennis, Maguiness, Maginnis, McGinnis, McGuinness, etc.

• Coat of Arms
• 

  House of Magennis
  Lords of Iveagh
  Viscounts Magennis of Iveagh

• Cadet Branches
• 

  House of Macartan
  Lords of Kinlearty and Dufferin
  Cadets of Magennis

• 

  House of Guinness
  Baronets of Ashford and Castleknock
  Barons and Viscounts Iveagh
  Viscounts Elveden
  Earls of Iveagh
  Uncertain cadency