Ancient Greek name, derived from the word (λευκος) [leukos] meaning - "bright, clear, white".
Saint Leocadia is a Spanish Saint. She is died on December 9, ca. 304, in the Diocletian persecution.
The feast day for St. Leocadia of Toledo appears under 9 December in the historical martyrologies of the ninth century. Her name is not mentioned by Prudentius in his hymn on the martyrs of Spain. However, in very early times there was a church dedicated to her at Toledo.