Catherine
Also: Katherine, Caterina, Katharine, Catalina (Spanish), Catarina (Portuguese), Kate, Katie, Kathleen
Greek of contested etymology; possibly from katharos, "pure," or from a pre-Christian Greek name later interpreted as meaning "pure."
Two principal saints: Catherine of Alexandria (legendary fourth-century martyr); Catherine of Siena (1347-1380, Dominican mystic and Doctor of the Church).
April 29 (Catherine of Siena, Catholic); November 25 (Catherine of Alexandria, Catholic and Orthodox)
In the Christian tradition
Two principal Catherines are honored across Christian tradition. Catherine of Alexandria (fourth century, by tradition) is the patroness of philosophers and scholars; her feast is November 25. Catherine of Siena (1347-1380) is the Dominican mystic, Doctor of the Church, and patron of Europe; her feast is April 29. The name has been in continuous Christian use in its many forms.