Pet form of names like Annette, Henrietta, or Antoinette, popular in the 19th century.
Nettie is a Victorian charmer, a pet-name form that served as a familiar shortening of longer names — Annette, Jeanette, Janet, Henrietta, Antoinette — before being adopted as a freestanding given name in its own right. The "-ette" suffix from which it derives is a French diminutive meaning "little" or "dear," and its English reduction to "-ie" or "-y" followed the same naturalizing impulse that turned Harriet into Hattie and Harriet back into Etta.
The name enjoyed genuine popularity in the United States and Britain through the late nineteenth and early twentieth centuries, appearing in census records across the South and Midwest with particular frequency. One of its most resonant cultural appearances is Nettie in Alice Walker's Pulitzer Prize-winning novel "The Color Purple" (1982) — the educated, compassionate sister whose letters to Celie form the novel's moral backbone. Walker's Nettie carries the name with quiet strength, giving it a literary gravity that persists in readers' minds.
Nettie also touches the world of early women's rights and labor movements, where several women of that name participated in suffrage organizing and social reform work at the turn of the twentieth century. The name fell from widespread use after mid-century but has attracted renewed attention in the vintage naming revival of recent decades, appealing to parents who want something with the warmth of a nickname but the substance of a stand-alone name — friendly without being frivolous.