Yes, Plumeria cultivars can be named after individuals as a way to honor and commemorate their contributions or significance. Breeders may name cultivars after themselves, family members, friends, mentors, or other influential figures in their lives. Additionally, some cultivars may be named to honor notable horticulturists, botanists, or individuals who have made significant contributions to the field of Plumeria hybridization or the broader horticultural community. Naming a cultivar after someone is a meaningful way to celebrate their impact and create a lasting tribute through the beauty of the Plumeria flowers.