Parnell \p(a)-rne-ll, par-nell\ as a boy's name is pronounced par-NEL. It is of Latin origin, and the meaning of Parnell is "country bumpkin". From Petronius. Also possibly derived from an ancient Roman family name, from the Greek name Petros, meaning "stone". Use may be in honor of Charles Parnell, the 19th-century Irish politician who campaigned for home rule in Ireland. Parnel is a surname derived from a medieval given name. See also Pernell.