79%RatingSave Gender Feminine Usage Irish Mythology Meaning & HistoryExpand Links In Irish legend this was the name of a granddaughter of the sea god Lir who went to Connla's Well, which was forbidden. The well burst and drowned her, leaving her body in the river thereafter known as the Sionainn (see Shannon). Related NamesFamily Tree·Details RootSinainn (place name)VariantSinannOther Languages & CulturesShannon, Shana, Shanna, Shannah, Shannen, Shanon(English) Categories goddesses, gods, mythology, rivers, victims, water, wet, women, women and death