1950s - The Cherry Pie Society
http://web.mit.edu/ashdown/www/visitors/history.shtml

"(...)
Once, one of our 'members', Arnold Barnes (PhD, '62), became engaged. After we congratulated him on his engagement at one of the dinners, he informed us, to our great surprise and amusement, that he decided to state in his engagement notice submitted to the newspapers, that he was a member of The Cherry Pie Society at MIT. He was inspired by all the engagement notices he had seen of the Hasty Pudding Club at Harvard, our neighbor up the river. From then on, we became The Cherry Pie Society. While we were hardly a formal society yet, it was such a logical and fitting name that we kept it and enjoyed it. (...)"
http://web.mit.edu/ashdown/www/visitors/history.shtml