Anglicized form of Irish Ó Néill, meaning descendant of the champion or cloud.
Neely arrives through several possible tributaries, the most prominent being the Irish and Scottish surname O'Neill or O'Neil, itself derived from the given name Niall — a name whose meaning has been variously interpreted as 'champion,' 'cloud,' or 'passionate,' with scholars still debating which etymology is correct. The transformation from Niall to Neill to Neely represents the anglicization of Gaelic names, a centuries-long process through which Irish and Scottish identity was simultaneously suppressed and preserved in altered form.
As a given name, Neely gained wider cultural notice through Jacqueline Susann's sensational 1966 novel Valley of the Dolls, in which Neely O'Hara is one of the three central protagonists — a fierce, self-destructive singer whose talent and appetite for pills bring her both fame and ruin. The name in Susann's hands felt both everywoman and theatrical, a perfect fit for her brand of glamorous tragedy. The novel's enormous readership ensured that Neely lodged firmly in mid-century American cultural memory, even as the name itself remained uncommon.
Outside fiction, Neely functions today as a surname-name with Irish roots — fitting the trend of names like Riley, Brady, and Tierney crossing from family history into first-name use. It has a crisp, friendly sound that wears well on children and adults alike, with just enough literary history to make it interesting.