Jewish country clubs are country clubs in the United States and other Western countries whose membership is predominantly Jewish. They emerged in the 19th and 20th centuries as a response to widespread antisemitic exclusion from other elite social clubs. The practice was a form of racial segregation. Consequently, many major American cities have at least one country club of Jewish origin, and in places with larger Jewish communities, several such clubs were established by affluent Jewish individuals of the period.
Read more on Wikipedia