Felicia in Wiktionary, the free dictionary. Look up Felix in Wiktionary, the free dictionary. The name Felicia derives from the Latin adjective felix, meaning "happy", though in the neuter plural form felicia it literally means "happy things" and often occurred in the phrase tempora felicia, "happy times". The sense of it as a feminine personal name appeared in post-Classical use and is of uncertain origin. It is associated with saints, poets, astronomical objects, plant genera, fictional characters, and animals, especially cats..