Lucy is one of Rory's Yale friends. Rory met her and Olivia while covering an art show for the Yale Daily News. Olivia and Lucy are best friends and roommates. She majored in acting, and was the girlfriend of Rory's old friend, Marty. They met at one of Lucy's performances.
Once she discovered Marty and Rory were hiding the fact that they had known each other since freshman year, Marty and her broke up. However, Rory and Lucy reconciled and remained friends. Lucy and Olivia end up moving together to an apartment in Manhattan after they graduated.