Type Word Usage Old Celtic (Hypothetical) Meaning & History Celtic word meaning "servant" [1]. Related ItemsFamily Tree·Details Given Name DescendantsJarvis, Gervase, Jervis(English) Gervais, Gervaise(French) Gervasius, Gerwas(Germanic) Gervasio(Italian) Gerwazy(Polish) Gervásio(Portuguese) Gervasio(Spanish) Surname DescendantsJarvis, Jervis(English) Sources & References Matasović, Ranko. Etymological Dictionary of Proto-Celtic. Brill, 2009, page 404.