The name Euphemia is a girl's name of Greek origin meaning "fair speech". Euphemia and is often added to lists like Scottish Baby Names and discussed in our forums with posts like "What would be the perfect twin?".
From the experts:
Ancient martyr's name that, though not especially appealing, might still be mildly possible, especially for Anglophiles. It was widely used in early Scotland, but was overtaken by its nickname, EFFIE.