I have an ancestor that was born in Scotland in 1839, (moved to the United States in the 1860s), who was a stone mason and a builder. I was wondering if anyone has attempted to find find an ancestor's stone mason guild with any success? I may be wrong about all of this, but it seems like a guild might have records of members and any notable projects that they worked on. I wonder if looking this up is even possible and/or worth the effort?