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celtic wicca

n. A branch of Wicca that incorporates some elements of Celtic mythology.

Wikipedia
Celtic Wicca

Celtic Wicca is a modern tradition of Wicca that incorporates some elements of Celtic mythology. It employs the same basic theology, rituals and beliefs as most other forms of Wicca. Celtic Wiccans use the names of Celtic deities, mythological figures, and seasonal festivals within a Wiccan ritual structure and belief system, rather than a traditional or historically Celtic one.