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 gu. à trois poissons nageants d'or, lorrés d'arg., l'un sur l'autre.”
A record of documented arms, meaning and origin, researched for the Dasay family of Spain.
J. B. Rietstap, Armorial Général, Gouda: G. B. van Goor Zonen, 1884–87
Blazon (the actual original written record)“De gu. à trois poissons nageants d'or, lorrés d'arg., l'un sur l'autre.”

The Dasay arms were recorded in Spain, c. 1722.
Arms such as these were typically recorded in Castile.
Castile was the heart of Spain and the source of most of its noble families. Land won in the long wars against the Moors was granted out to fighting men, and a man granted land was granted arms along with it.
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 Spain, a coat of arms was considered a form of property that belonged to the entire family line. These arms were passed down from a father to all his children equally. Younger branches of the family usually kept the original design without needing to add any special marks to distinguish their specific line.
The family name Dasay finds its historical roots in the region of Castile during the early 18th century. By 1722, records confirm that members of the family were established within this central Spanish territory. During this period, Castile was a hub of administrative and agricultural activity, and families like the Dasays were often integrated into the local social fabric through land ownership or service to the crown. The name itself likely evolved from regional linguistic patterns common to the Iberian Peninsula, reflecting the way surnames were often adapted from local geography or specific family traits during the late Middle Ages and the Renaissance. As the family moved through the 1700s, they participated in the shifting landscape of Spanish society, which was transitioning toward modernization while maintaining deep ties to traditional rural life.
A locative preposition indicating origin from the place called Asay.
