The name Senara is a girl's name of Cornish, Breton origin meaning "light". Senara and is often added to lists like Names That Mean Light and discussed in our forums with posts like "ALPHABET Drop 2 Add 1 - Girls".
From the experts:
The origins of Senara, the name of a Cornish saint who is patron of the village of Zennor, are not so straightforward. Some say she was the same person as Azenor, a legendary Breton princess whose mother-in-law cast her out to sea in a trunk. Other stories say she was a mermaid turned Christian. Wherever she came from Senara is that rarest of names: lovely, straightforward, and unusual all at the same time. Since it may be related to Helen or Eleanor, it can be used as an honorific for one of those names -- though grandma Helen may understandably think it's a stretch.