Updated June 9, 2019 Find Baby Names Boy name origins & meanings German : Barrel maker Boy name variations Kiefer Kiefer 0 % this year Masculine Rare READ MORE DETAILS Keefer Keefer 0 % this year Masculine Rare READ MORE DETAILS How Popular Is The Name Keifer Family name origins & meanings Altered spelling of German Kiefer.German : nickname for someone who was quarrelsome, from an agent of Middle High German kīben, kīven ‘to quarrel’.