Welsh virgin also listed as Monacella. The daughter of an Irish or Scottish king, she went to Powys, in central Wales, to become a hermitess. Ysgythrog, the prince of Powys, granted her land after meeting her on a hunting trip, and she founded a community of women, serving as abbess for thirty-seven years. Her shrine remains at Pennant Melangell.
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According to legend, it was Prince Ysgythrog who was pursuing the hare that St. Melangell rescued. That led to her becoming the hares’ patron saint as depicted by the icon. More:
https://books.google.com/books?id=WnQ_AQAAMAAJ&pg=PA173#v=onepage&q&f=false