Coat of Arms & Family Crest Details
Sir Bernard Burke, The General Armory of England, Scotland, Ireland and Wales, London: Harrison & Sons, 1884
Blazon (the actual original written record)“Ar. a lion in chief and a boar in base both pass. gu”
A record of documented arms, meaning and origin, researched for the Mcsweeney family of Ireland.
Sir Bernard Burke, The General Armory of England, Scotland, Ireland and Wales, London: Harrison & Sons, 1884
Blazon (the actual original written record)“Ar. a lion in chief and a boar in base both pass. gu”

The Mcsweeney arms were recorded in Donegal, c. 1267.
Donegal was remote north-western Irish country of mountain and coast. Its land was poor and its families few, but those who held ground held it for a very long time.
This is where the arms were entered in the register. Families often moved to other parts of the country, so the same name can turn up in more than one region.
The Ulster King of Arms granted coats of arms to individuals who proved their social standing and good character. These symbols were typically inherited by all legitimate descendants of the original holder. If a family branch wanted a unique look, they could apply for a specific change to their design through the office to ensure their identity remained distinct.
The McSweeney family name originated from the Gaelic name Mac Suibhne, which translates to son of Suibhne. The family traces its roots back to the O’Neill dynasty of Ulster, with historical records confirming their presence in County Donegal by the year 1267. Originally, the McSweeneys were a powerful clan of galloglass, or professional mercenary soldiers, who were highly valued for their military skill. They were brought into Ireland from Scotland to serve as elite bodyguards and commanders for the great Irish chieftains. Over time, the family established three main branches in Donegal known as McSweeney Ban, McSweeney Doe, and McSweeney Fanad. These branches built several stone castles along the rugged coastline to protect their territories and maintain their influence in the region. Their reputation as fierce warriors and loyal allies allowed them to remain a dominant force in Irish society for several centuries.
Son of Suibhne, derived from the Gaelic word for pleasant.