What is the origin of the idiom "big name" and when to use it?

The origin of the idiom "big name" is not clear, but it has been in use since at least the late 19th century. The phrase "big name" can also be seen as a metaphor, with "big" referring to the importance or influence of the person or organization, and "name" referring to their reputation or recognition. The idiom is used to refer to a person or organization that is well-known, famous, or influential. It is often used to describe individuals or entities that have achieved a high level of success or recognition in a particular field or industry.