1850 Atlas
| Name | What | Place | Pop | Other |
| Gregg | T | Centre Co, PA | 1,473 | water by Sinking creek |
| Gregory's Mill | PO | Granville Co, NC | ||
| Greig | PT | Lewis Co, NY | 1,074 | water by Otter & Fish creeks & Moose river |
| Greigsville | PO | York twp, Livingston Co, NY | ||
| Greigsville | PO | Preston Co, VA | ||
| Grenada | PV | Yallabusha Co, MS | water by Yallabusha river | |
| Grey Rock | PO | Harford Co, MD | ||
| Greysville | PO | Sullivan Co, IN | ||
| Griffin | PV | Pike Co, GA | 2,320 | |
| Griffin's | PO | Johnson Co, AR | ||
| Griffin's Corners | PO | Delaware Co, NY | ||
| Griffin's Mills | PO | Aurora twp, Erie Co, PA | water by Caznove creek | |
| Griffin's Mills | PO | Lowndes Co, GA | ||
| Griffinsburgh | PV | Culpepper Co, VA | ||
| Griffith's | PO | Nicholas Co, KY | ||
| Griffithsville | PO | Cabell Co, VA | ||
| Griggs | T | Van Buren Co, AR | ||
| Griggstown | PV | Franklin twp, Somerset Co, NJ | water by Millstone river, Delaware & Raritian Canal | |
| Griggsville | PV | Pike Co, IL | water by Illinois river | |
| Grimesville | PO | Grimes Co, TX | ||
| Grimesville | PO | Berks Co, PA | ||
| Grindstone Point | PO | De Kalb Co, MO | ||
| Griswold | PT | New London Co, CT | 2,065 | water by Quinebaug river |
| Griswold | PO | Hamilton Co, IL | ||
| Griswold Mills | PO | Fort Ann twp, Washington Co, NY | ||
| Griswoldsville | PO | Jones Co, GA | ||
| Griswoldsville | PO | Franklin Co, MA | ||
| Groff's Store | PO | Lancaster Co, PA | ||
| Grogansville | PO | Rockingham Co, NC | ||
| Groom's Corner | PO | Sartoga Co, NY | ||
| Grooverville | PO | Thomas Co, GA | ||
| Grosse Isle | PO | Wayne Co, MI | ||
| Gross Tete | PO | Iberville parish, LA | ||
| Groton | PT | Grafton Co, NH | 776 | water by Baker's river |
| Groton | PT | Caledonia Co, VT | 895 | water by Well's river |
| Groton | PT | Middlesex Co, MA | 2,515 | water by Nashua & Squannecook rivers |
| Groton | PT | New London Co, CT | 3,654 | water by Thames, Mystic & Pequonnuck rivers |
| Groton | PT | Tompkins Co, NY | 3,343 | water by Fall creek & Owasco lake inlet |
| Groton | PT | Erie Co, OH | 884 | water by Pipe creek |
| Groton Centre | PO | Groton twp, Erie Co, OH | ||
| Groton City | PO | Tompkins Co, NY | ||
| Grouse | PO | Kane Co, IL | ||
| Grout's Corners | PO | Franklin Co, MA | ||
| Grove | PT | Alleghany Co, NY | water by Cashaque & Canaseraga creeks | |
| Grove | T | Clinton Co, PA | 258 | |
| Grove | PO | Chatham Co, NC | ||
| Grove | PO | Elbert Co, GA | ||
| Grove Creek | PO | Jones Co, IA | ||
| Grove Farm | PO | Henderson Co, IL | ||
| Grove Hill | PO | Warren Co, NC | ||
| Grove Hill | PO | Clark Co, AL | ||
| Grove Hill | PO | Page Co, VA | ||
| Grove Hill | PO | Jackson parish, LA | ||
| Grove Level | PO | Franklin Co, GA | ||
| Grove Mount | PO | Dyer Co, TN | ||
| Grove Port | PO | Franklin Co, OH | ||
| Groveland | PT | Livingston Co, NY | 1,724 | water by Canaseraga creek & Conesus lake |
| Groveland | PT | Oakland Co, MI | 988 | |
| Groveland | PV | Tazwell Co, IL | ||
| Groveland | PO | Essex Co, MA | ||
| Groveland | PO | Fulton Co, OH | ||
| Groveland | PO | Winnebago Co, WI | ||
| Groveland Centre | PO | Groveland twp, Livingston Co, NY | ||
| Grovenor's Corner | PO | Schoharie Co, NY | ||
| Groves | PO | Rush Co, IN | ||
| Groveton | PO | Prince William CO, VA | ||
| Groveville | PO | Mercer Co, NJ | ||
| Grubb Springs | PO | Monroe Co, MS | ||
| Grubb's Mills | PO | Putnam Co, IN | ||
| Grundy | PO | Pulaski Co, KY | ||
| Great Station | PO | Russell Co, VA | ||
| Guilderland | PT | Albany Co, NY | 3,279 | water by Norman's kill |
| Guilderland Centre | PO | Guilderland twp, Albany Co, NY | ||
| Guildhall | PT, CH | Essex Co, VT | 501 | seat of justice, water by Connecticut river |
| Guilford | PT | Piscataquis Co, ME | 834 | water by Piscataquis river |
| Guilford | PT | New Haven Co, CT | 2,653 | water by Long Island sound |
| Guilford | PT | Chenango Co, NY | 2,600 | water by Unadilla river |
| Guilford | T | Franklin Co, PA | 3,471 | water by east branch of Conechocheague creek |
| Guilford | PT | Medina Co, OH | 1,800 | |
| Guilford | T | Hendricks Co, IN | 1,103 | |
| Guilford | V | Hanover twp, Columbiana Co, OH | ||
| Guilford | PO | Accomac Co, VA | ||
| Guilford | PT | Windham Co, VT | 1,389 | water by Green river & Broad brook |
| Guilford | PO | Dearborn Co, IN | ||
| Guilford Centre | PV | Guilford twp, Windham Co, VT | ||
| Guilford Centre | PO | Guilford twp, Chenango Co, NY | ||
| Guiney's | PO | Caroline Co, VA | ||
| Guionville | PO | Dearborn Co, IN | ||
| Gulf Mills | PO | Montgomery Co, PA | ||
| Gulf Prairie | PO | Brazoria Co, TX | ||
| Gulley's Store | PO | Johnson Co, NC | ||
| Gullitsville | V | Monroe Co, GA | ||
| Gum Branch | PO | Darlington dist, SC | ||
| Gum Creek | PO | Dooly Co, GA | ||
| Gum Grove | PO | Union Co, KY | ||
| Gum Lake | PO | Barry Co, MI | ||
| Gum Log | T | Pope Co, AR | ||
| Gum Pond | PO | Baker Co, GA | ||
| Gum Spring | PO | Louis Co, VA | ||
| Gum Spring | PO | Smith Co, TX | ||
| Gum Swamp | PO | Columbus Co, NC | ||
| Gum Swamp | PO | Marion dist, SC | ||
| Gum Swamp | PO | Pulaski Co, GA | ||
| Gum Tree | PO | Chester Co, PA | ||
| Gumborough | PO | Sussex Co, DE | ||
| Gunter's Landing | PO | Marshall Co, AL | ||
| Gustavus | PV | Trumbull Co, OH | water by branch of Beaver river | |
| Gustavus | PO | Greene Co, TN | ||
| Gustine | PO | Adams Co, OH | ||
| Gurthriesville | PO | Chester Co, PA | ||
| Gurthriesville | PO | York dist, SC | ||
| Guttenburgh | PO | Clayton Co, IA | ||
| Guyandotte | PV | Cabell Co, VA | water by Ohio & Guyandotte rivers | |
| Guy's Mills | PO | Crawford Co, PA | ||
| Guysville | PO | Athens Co, OH | ||
| Gwinned | PT | Montgomery Co, PA | 1,571 | water by Wissahickon & Towamensing creeks |
| Gypsum | PO | Ontario Co, NY |