Coat of Arms & Family Crest Details
J. B. Rietstap, Armorial Général, Gouda: G. B. van Goor Zonen, 1884–87
Blazon (the actual original written record)“Losangé d'arg. et de gu.”
A record of documented arms, meaning and origin, researched for the Fitz-William family lines. Documented in 3 countries.
J. B. Rietstap, Armorial Général, Gouda: G. B. van Goor Zonen, 1884–87
Blazon (the actual original written record)“Losangé d'arg. et de gu.”
The Fitz-William arms were recorded in Britain, c. 1537.
Arms such as these were typically recorded in Kent.
Kent sits between London and the short crossing to Europe, and the trade passing through made it wealthy. Merchant families bought land with that money, and it was landowners who took coats of arms.
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.
English heraldry allowed arms to be shared by all legitimate descendants of the original owner. These symbols were treated as personal property that moved through the generations to all children. While the eldest son kept the original design, other family members could use the same shield without needing to change it or register their own unique versions.
The surname Fitzwilliam emerged in England following the Norman Conquest as a patronymic, meaning it literally translates to the son of William. In the centuries that followed, the name became associated with families of significant social standing who served the crown in various administrative and military capacities. By the year 1537, records confirm that members of this family were well-established in the county of Kent. During this era, families with this name often held land and participated in local governance, which helped them maintain their influence across generations. As the family grew, they became deeply embedded in the regional history of southern England, transitioning from their origins as followers of the Norman nobility into prominent local landowners and officials.
Sir Bernard Burke, The General Armory of England, Scotland, Ireland and Wales, London: Harrison & Sons, 1884
Blazon (the actual original written record)“Lozengy ar. and gu”
The Fitz-William arms were recorded in Ireland, c. 1327.
Arms such as these were typically recorded in Dublin.
Dublin was the seat of government in Ireland and the place where grants were sought and recorded. Families with business at the castle or the courts settled nearby, and settling there put their arms on record.
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 Fitzwilliam family established a significant presence in Ireland during the early fourteenth century, particularly within the administrative and social circles of Dublin. By 1327, records confirm that members of the family were already integrated into the local landscape, serving as influential landowners and officials who helped shape the governance of the Pale. The name itself reflects the Norman-French influence on Irish naming conventions, as it translates to the son of William. Over the following generations, the family expanded their reach by acquiring extensive estates in County Dublin, such as Merrion and Baggotrath. They became deeply involved in the political life of the region, often acting as loyal representatives of the English crown while simultaneously navigating the complex social dynamics of medieval Ireland. This strategic positioning allowed the family to maintain their status and influence for several centuries as they transitioned from newcomers to a central pillar of the Anglo-Irish aristocracy.
Sir Bernard Burke, The General Armory of England, Scotland, Ireland and Wales, London: Harrison & Sons, 1884
Blazon (the actual original written record)“Gu. a fesse betw. six escallops ar”
The Fitz-William arms were recorded in England, c. 1620.
Arms such as these were typically recorded in York.
Yorkshire is the largest of the English counties, and it held more gentry families than any other. Land there was split among a great many households rather than a few, so a great many of them carried arms.
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.
English heraldry allowed arms to be shared by all legitimate descendants of the original owner. These symbols were treated as personal property that moved through the generations to all children. While the eldest son kept the original design, other family members could use the same shield without needing to change it or register their own unique versions.
The surname Fitzwilliam emerged in England following the Norman Conquest, as it follows the naming convention where the prefix "Fitz" denotes "son of." In this case, the name signifies "son of William," a popular given name among the ruling Norman elite. While the family established deep roots in Yorkshire by the early seventeenth century, their presence in the region dates back much further to the medieval period. Members of the family were influential landowners who integrated into the local governance of Northern England over several generations. By the time the family was formally documented in York in 1620, they were already part of a long-standing tradition of English gentry who played active roles in the social and administrative life of their communities. This history reflects the transition of the name from a simple patronymic identifier into a stable family surname that persisted through centuries of English history.
Germanic name composed of elements meaning will, desire, and helmet, protection.


