O'Sullivan Coat of Arms, Family Crest and O'Sullivan Family History

If you are conducting some O'Sullivan family history research then you can view the O'Sullivan coat of arms and the name meaning and origin of the name as well as the meaning of symbols below. This is a great place to start when tracing your genealogy and O'Sullivan surname history and will help you answer the question 'what is the meaning of my name?'


Together the names Sullivan and O'Sullivan rank as the third most frequently found in Ireland. There were two main Septs with this name. The O'Sullivan Mor Sept was based in County Kerry and the O'Sullivan Beare Sept was based in County Cork. It is mainly in these two Counties that the majority of descendants can still be found.

Meaning of Symbols & Colors on the O'Sullivan Coat of Arms

Gules/Red 'The Martyr's colour', signifies Military Fortitude and Magnanimity.
Or/Yellow/Gold Represents Generosity.
Boar Represents the bearing of a Warrior
The Lion Emblem of Deathless Courage
Snake Symbol of Wisdom
Stag/Buck/Deer Signifies Policy, Peace and Harmony
Sword Symbol of Government and Justice