政府成立,1889年12月28日改名。縣名紀念三藩市首任市長、堪薩斯準州州長、賓夕法尼亞州州長約翰·懷特·吉里(英语:JohnW. Geary) (John White Geary)。 Kane, J. N. and C. C. Aiken. The American Counties: Origins
Fischer, Francois Fressin, JohnGeary, Michael R. Haas, Jennifer R. Hall, Matthew J. Holman, Jon M. Jenkins, David G. Koch, David W. Latham, Jie Li, Jack J
Barclay, Natalie Batalha, William Borucki, David R. Ciardi, Eric B. Ford, John C. Geary, Matthew J. Holman, Jon M. Jenkins, Jie Li, Robert C. Morehead, Avi
Cochran, William D.; Devore, Edna; Dunham, Edward W.; Dupree, Andrea K.; Gautier Iii, Thomas N.; Geary, John C.; Gilliland, Ronald; Gould, Alan; Howell, Steve