A Tale for Imbolc
This Irish story is not set at Imbolc specifically (or at any obvious juncture of the year in the versions I've read of it), however it does feature the goddess Brigid who is especially associated in both Pagan and Christian - through her association with St Brigit - imagery with the festival in early February that marks the lambing season an the emergence of early plant life after the worst of winter. The feast of Imbolc focuses mainly on three sister-goddesses, all called Brigid and essentially facets of the same complex entity. One sister is the goddess of the forge fires of the blacksmith, another of the healing fires (used to boil potions and sanitise surgical tools, such as those found in the archaeological site at Colchester), and the third is fiery inspiration of the poet. I strongly suspect that there would have been a longer version of the short account of Ruadan's death in the surviving text, which linked these aspects of Brigid to the events in the tale. Poetry do