1850 Atlas
| Name | What | Place | Pop | Other |
| Gabriel's Creek | PO | Yancy Co, NC | ||
| Gaddeyville | PO | Robeson Co, NC | ||
| Gaddistown | PO | Union Co, GA | ||
| Gad Fly | PO | Barry Co, MO | ||
| Gadsden | PO | Cherokee Co, AL | ||
| Gadsden | PO | Richland dist, SC | ||
| Gage's Lake | PO | Lake Co, IL | ||
| Gage's Point | PO | St Francis Co, AR | ||
| Gahanna | PO | Franklin Co, OH | ||
| Gailey's Mill | PO | Hall Co, GA | ||
| Gainer's Store | PO | Pike Co, AL | ||
| Gaines | PT | Orleans Co, NY | 2,722 | water by branches of Oak Orchard creek |
| Gaines | PT | Tioga Co, PA | 510 | |
| Gainsborugh | PV | Frederick Co, VA | ||
| Gainesborough | PV, CH | Jackson Co, TN | water by Cumberland river | |
| Gaines Cross Roads | PV | Rappahannock Co, VA | ||
| Gaines' Landing | PO | Chicot Co, AR | ||
| Gainestown | PO | Clark Co, AL | ||
| Gainesville | PT | Wyoming Co, NY | 1,760 | water by Allen's creek & another branch of Genesee river |
| Gainesville | PV, CH | Hall Co, GA | seat of justice | |
| Gainesville | PV | Sumter Co, AL | water by Tombigbee river | |
| Gainesville | PO | Greene Co, AR | ||
| Gainesville | PO | Hancock Co, WI | ||
| Gainesville | PO | Allen Co, KY | ||
| Galen | T | Wayne Co, NY | 4,609 | water by Clyde river & Erie canal |
| Galena | PV | Berks twp, Delaware Co, OH | ||
| Galena | T | Franklin Co, MO | ||
| Galena | City | Jo-Daviess Co, IL | 6,004 | seat of justice, water by Bean river |
| Galena | PO | Floyd Co, IN | ||
| Gales | PO | Sullivan Co, NY | ||
| Galesburgh | PV | Knox Co, IL | ||
| Galesburgh | PV | Kalamazoo Co, MI | ||
| Gale's Ferry | PO | Ledyard twp, New London Co, CT | ||
| Galesville | PO | Greenwich twp, Washington Co, NY | ||
| Galion | PV | Sandusky twp, Crawford Co, OH | ||
| Gallatia | PO | Gallatin Co, IL | ||
| Gallatin | V | Allen Co, OH | ||
| Gallatin | PV, CH | Sumner Co, TN | seat of justice | |
| Gallatin | PV | Parkes Co, IN | ||
| Gallatin | PV | Copiah Co, MS | water by Bayou Pierre river | |
| Gallatin | PV, CH | Daviess Co, MO | seat of justice | |
| Gallatin | T | Columbia Co, NY | 1,586 | water by Dove creek & Charlotte lake |
| Gallatinville | PO | Gallatin Twp, Columbia Co, NY | ||
| Gallia Furnace | PO | Gallia Co, OH | ||
| Gallilee | PO | Wayne Co, PA | ||
| Gallipolis | PT, CH | Gallia Co, OH | 2,228 | seat of justice, water by Ohio river |
| Galley Rock | T | Pope Co, AR | ||
| Galloway | T | Atlantic Co, NJ | 2,307 | water by Nacote creek |
| Galloway | PO | La Salle Co, IL | ||
| Gallupville | PO | Schoharie twp, Schoharie Co, NY | ||
| Gally Creek | PO | Pope Co, AR | ||
| Galum | PO | Perry Co, IL | ||
| Galveston | City | Galveston Co, TX | 6,000 | seat of justice |
| Galveston | V | Ascension parish, LA | water by Iberville river | |
| Galway | PT | Saratoga Co, NY | water by branch of Kayaderossera & Chuctenuda creeks | |
| Gambier | PV | Pleasant twp, Knox Co, OH | ||
| Gamble | PO | Jefferson Co, GA | ||
| Gamble Grove | PO | Fayette Co, IA | ||
| Gamble's | PO | Alleghany Co, PA | ||
| Gamesville | PO | Cook Co, TX | ||
| Ganges | PO | Richland Co, OH | ||
| Gansevoort | PO | Northumberland twp, Saratoga Co, NY | ||
| Gap | PO | Walker Co, AL | ||
| Gap | PO | Sudbury twp, Lancaster Co, PA | ||
| Gap Civil | PO | Ashe Co, NC | ||
| Gap Creek | PO | Ashe Co, NC | ||
| Gap Creek | PO | Knox Co, TN | ||
| Gap Grove | PO | Jo-Daviess Co, IL | ||
| Gap Mills | PO | Monroe CO, VA | ||
| Garden Grove | PO | Decatur Co, IA | ||
| Garden Plain | PO | Whiteside Co, IL | ||
| Gardiner | PT | Kennebec Co, ME | 6,486 | water by Kennebec & Cobbeseconte rivers |
| Gardner | PT | Worcester Co, MA | 1,533 | water by branch of Miller's river |
| Gardner | PO | Morgan Co, OH | ||
| Gardner's Bridge | PO | Martin Co, NC | ||
| Gardner's Mills | PO | St Clair Co, MO | ||
| Gardnersville | PO | Seward twp, Schoharie Co, NY | ||
| Garland | PT | Penobscot Co, ME | 1,247 | water by head branches of Kanduskeag stream |
| Garland's | PO | Albermarle Co, VA | ||
| Garlandville | PO | Jasper Co, MS | ||
| Garmon's Mills | PO | Cabarras Co, NC | ||
| Garnaville | PO | Clayton Co, IA | ||
| Garner's Ford | PO | Cleveland Co, NC | ||
| Garnettsville | PO | Mead Co, KY | ||
| Garoga | PO | Ephratah twp, Fulton Co, NY |