Gas

GAS (Γας, 1 Esd 5:34). This personal name is found listed in a subdivision of Temple servants. It is specifically listed under the sons of the servants of Solomon. “Gas” is only in the apocryphal book, for it has been omitted in the parallel passage in Ezra 2:57.

International Standard Bible Encyclopedia (1915)

(Gas):

Named among the "sons of the servants of Solomon" ( 1Esdras 5:34); not mentioned in the lists of Ezra and Nehemiah.