As a boy's name this is a pet form of Jeremy or Gerald, or occasionally of Gerard and Jerome. As a girl's name it is a variant spelling of Gerry, and is sometimes bestowed as an independent given name, as in the case of the American model and actress Jerry Hall (b. 1956).
German: 1. probably an altered spelling of Krich, a dialect plural of Krug ‘pitcher’, ‘jug’, probably applied as a metonymic occupational name for a maker or seller of such vessels. 2. habitational name from a place called Krickau. 3. nickname for someone who walked with a crutch, from Krick ‘crutch’, dialect form of Kruücke.