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)“D'arg. à un arbre de sin. — Ou: Coupé d'arg. sur sa., à un olivier de sin., br. sur le coupé.”
A record of documented arms, meaning and origin, researched for the Ooley family of Netherlands.
J. B. Rietstap, Armorial Général, Gouda: G. B. van Goor Zonen, 1884–87
Blazon (the actual original written record)“D'arg. à un arbre de sin. — Ou: Coupé d'arg. sur sa., à un olivier de sin., br. sur le coupé.”

The Ooley arms were recorded in Netherlands, c. 1815.
Arms such as these were typically recorded in Friesland.
Friesland was low, wet country on the northern coast of the Netherlands, farmed by families who had held the same land for centuries. Free landholders were unusually common there, and a free landholder could carry 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.
In the Netherlands, coats of arms were often used by noble families and those who held specific public offices. These arms were passed down through the generations to legitimate descendants. Younger branches of a family usually kept the original design without needing to add special marks. This system ensured that the family identity remained clear and consistent over many years.
The family name Ooley carries a history deeply rooted in the coastal landscape of the Netherlands. By the early nineteenth century, records confirm that members of the family were established in the province of Friesland. This region is known for its unique culture and its long struggle to reclaim land from the North Sea. Families living in this area during the 1800s often worked as farmers or maritime traders. The name likely evolved from local Frisian dialects, which were distinct from standard Dutch. As the family moved through these northern territories, they adapted to the changing political borders of the Napoleonic era. These early ancestors were part of a resilient community that valued independence and hard work. Their presence in Friesland in 1815 marks a clear starting point for tracing the family lineage into the modern era.
A diminutive form of the Germanic name Ulrich meaning noble heritage.
