71%RatingSave Gender Masculine Usage English (Modern) Pronounced Pron. KEE-fər [key·IPA] Meaning & History From a German surname meaning either "pine tree" or "barrel maker". PopularityDetails Last ranked #709 in 1991 United States People think this name isRate·Details modern mature upper class strong rough strange complex serious Categories currently out of the US top 1000, Dragon Quest characters, flora, green, nature, occupations, plants, surnames, trees