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)“De sa. à trois croiss. d'or. C.: un croiss. d'or, entre un vol de sa. ou coupé d'or sur sa.”
A record of documented arms, meaning and origin, researched for the Loos family lines. Documented in 2 countries.
J. B. Rietstap, Armorial Général, Gouda: G. B. van Goor Zonen, 1884–87
Blazon (the actual original written record)“De sa. à trois croiss. d'or. C.: un croiss. d'or, entre un vol de sa. ou coupé d'or sur sa.”

The Loos 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 surname Loos has deep roots in the Low Countries, where it likely originated as a descriptive nickname for a person who was considered cunning or clever. By the early 19th century, the family had established a clear presence in the northern province of Friesland. This region was known for its distinct legal traditions and strong sense of local identity, which often influenced how families recorded their names during the Napoleonic era. When the Dutch government mandated the formal registration of surnames in 1811, many families in Friesland solidified their ancestral names in official civil records for the first time. The presence of the Loos family in this area by 1815 suggests they were part of a long-standing local community that transitioned from traditional naming customs to the modern system of permanent family surnames.
J. B. Rietstap, Armorial Général, Gouda: G. B. van Goor Zonen, 1884–87
Blazon (the actual original written record)“De sin. au lion d'or; le champ chapé-ployé d'arg., à deux croiss. d'azur. C.: le lion, iss. L.: à dextre d'arg. et de sin., à sen. d'or et d'azur.”

The Loos arms were recorded in Germany, c. 1711.
Arms such as these were typically recorded in Bavaria.
Bavaria was a country of old landed families and walled market towns. Estates passed down the same line for centuries, and both the landowners and the leading townsmen kept arms, which is why so many Bavarian names sit in the registers.
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 Holy Roman Empire, coats of arms were often granted to individuals by the Emperor or his representatives. These arms were then passed down through the generations to all legitimate descendants of the original holder. Younger branches of a family usually kept the same shield design without needing to change it, as the arms belonged to the entire lineage.
The surname Loos is deeply rooted in the German-speaking regions of Europe, where it functioned as a descriptive name for individuals living near a specific type of landscape. In the German language, the term often referred to a clearing in a forest or a piece of open pasture land. Families who took this name were likely identified by their neighbors based on where they built their homes or farmed their fields. By the early 18th century, records confirm that members of the Loos family were established in the region of Bavaria. Life in Bavaria during 1711 was defined by rural traditions and the influence of local agricultural practices. As these families moved through the German states, the name evolved alongside the local dialects, reflecting the close connection between the people and the land they cultivated. This history highlights how a simple reference to a geographical feature became a permanent family identity that has persisted for centuries.
Latin term meaning praise, glory, or fame.

