Neas is an Old Irish feminine given name, the early form of Neasa. It is derived through a phonetic shift from the parent name Neasa, which itself originates from Old Irish Ness, a name of uncertain meaning.Etymology and LegendThe name Ness is famously borne by a figure in Irish mythology, the mother of the legendary king Conchobar mac Nessa. According to legend, she was originally named Assa meaning "gentle," but after the murders of her foster fathers, she took the name Ní-assa "not gentle" as she sought vengeance. Over time, this evolved into Ness. The form Neas represents an early medieval Irish development, where the name shifted from Ness to Neas in certain dialects.Cultural ContextAs an Old Irish variant, Neas is now rare compared to its modern descendants such as Neasa and the anglicized Nessa 3, also commonly used in Irish and Hiberno-English contexts. The name carries mythological weight through the story of Neasa (also known as Nes), who played a pivotal role in securing the kingship of Ulster for her son Conchobar by temporarily convincing her husband Fergus mac Róich to abdicate.Usage and FrequencyIn modern times, Neas is considered an archaic spelling, seldom used as a given name. Its contemporary iterations (Neasa, Nessa) enjoy occasional usage in Ireland, reflecting a revival of interest in mythologically significant names. The name is exclusively feminine and of Irish origin.Meaning: Uncertain; possibly derived from Ní-assa "not gentle"Origin: Old IrishType: Given name (feminine)Usage regions: Ireland