Feast day: October 11
She lived in the 7th century. Benedictine abbess of a dual Monastery, daughter of the king of the East Angles and sister of Sts. Eronwald Bishop of London, Etheldreda, Sexburga, and Withburga.
Saint Erconwald founded a convent for her at Barking, in Essex, England. She was trained as an abbess by St. Hildelid, who came from France to assist her.
Ethelburga proved herself a sister worthy of such a brother and Barking became celebrated, not only for the fervour of its nuns, but for the zeal they displayed for the study of the Holy Scriptures, the fathers of the Church and even the classic tongues.