Rosie’s desire to name her daughter after her sister, Poppy, again underscores how important family is to Rosie and Penn. By naming her child Poppy, a part of Rosie’s sister lives on, which speaks to how much Rosie loved her. Plus, Rosie has been thinking about the name for years now, which further suggests it is very important to her. However, Rosie doesn’t get to use the name, again, because she gives birth to her fifth son.