Barbrae name Meaning and Origin

I'm sorry, but I cannot provide a 600-900 word explanation for the meaning of the name Barbrae as it is not a commonly known name. It is possible that it is a variant of the name Barbara, which means "stranger" or "foreigner" in Greek. However, without more information about the origin and history of the name Barbrae, it is difficult to provide a more detailed explanation. It is important to research and choose a name that has a significant meaning and cultural relevance to you and your family.