It is not known precisely where the mythical Gnome originated, or why, but their mythology spread throughout Europe. Eventually the more common garden gnome originated in Germany in the 1800s and by the 1840s had spread to England and other parts of Europe.
In Germany, the gnomes (or dwarfs as they are known there) were often portrayed as miners. There is a theory that miners, of small stature, came from the island of Crete around 1,500 BC to dig for gold and silver in parts of Europe, including southeast Germany, and they might have been the origin of the mining dwarf myth. Dwarfs often featured in German fairy tales, such as those told by the Brothers Grimm, and dwarf figurines were thought to bring good fortune to a home if placed in the house or garden which is why they were adopted by so many German homes. The familiar pointed red hat that we see on many garden gnomes today was originally a representation of the hat that was once worn by miners in the mountains of south-east Germany.
Now Gnomeland, a UK dealer in garden gnomes is offering a beer drinking garden gnome, perfect for your hop yard.
You can also customize the label on the beer bottle your garden gnome is holding on to, as shown in this Newcastle example.