1850 Atlas
| Name | What | Place | Pop | Other |
| Wilbraham | PO | Hampden Co, MA | water by Chickapee river | |
| Wilcox's Store | PO | Casey Co, KY | ||
| Wild Cat | PO | Carroll Co, IN | ||
| Wild Haus | PO | Izard Co, AR | ||
| Wilderness | PO | Spottsylvania Co, VA | ||
| Wilderness | PO | Clarke Co, AL | ||
| Wiley's Cove | PO | Searcy Co, AR | ||
| Wileyville | PO | Desha Co, AR | ||
| Wilkesbarre | PT, CH | Luzerne Co, PA | seat of justice, water by Susquehanna river | |
| Wilkesborough | PV, CH | Wilkes Co, NC | seat of justice, water by Yadkin river | |
| Wilkesborough | PV | McLean Co, IL | ||
| Wilkesburgh | PO | Covington Co, MS | ||
| Wilkesville | PT | Vinton Co, OH | 1,037 | water by Raccoon creek |
| Wilkins | PT | Alleghany Co, PA | 3,019 | water by Plum creek & Thompson's run |
| Wilkins | PO | Union Co, OH | ||
| Wilkinsburgh | PV | Wilkins twp, Alleghany Co, PA | water by forks of Nine Mile run | |
| Wilkinsonville | PV | Worcester Co, MA | ||
| Wilkinsville | PV | Union dist, SC | ||
| Willard's | PO | Wood Co, VA | ||
| Willet | PT | Cortland Co, NY | 923 | water by Ostelic river |
| Willet | PO | Greene Co, WI | ||
| Willettville | PO | Highland Co, OH | ||
| Williams | PT | Northampton Co, PA | 2,634 | |
| Williams | PO | Christian Co, KY | ||
| Williams | T | Benton Co, MO | ||
| Williams' Bridge | PV | Westchester Co, NY | ||
| Williams' Centre | PV | Williams Co, OH | ||
| Williams' College Grant | T | Aroostook Co, ME | ||
| Williams' Cross Roads | PO | Choctaw Co, AL | ||
| Williams' Store | PO | Berk's Co, PA | ||
| Williams' Store | PO | Hardeman Co, TN | ||
| Williamsborough | PO | Granville Co, NC | ||
| Williamsburgh | PT | Piscataquis Co, ME | 124 | water by Pleasant river |
| Williamsburgh | PT | Hampshire Co, MA | 1,537 | water by Mill river |
| Williamsburgh | City | Kings Co, NY | 30,780 | water by Bushwick creek & East river |
| Williamsburgh | PB | Blair Co, PA | 747 | water by Juniata river |
| Williamsburgh | PV, CH | James City Co, VA | 877 | seat of justice, seat of William & Mary College |
| Williamsburgh | PV | Iredell Co, NC | ||
| Williamsburgh | PV | Covington Co, MS | water by head waters of Leaf river | |
| Williamsburgh | PT | Clermont Co, OH | 1,884 | water by east branch of Little Miami river |
| Williamsburgh | PV | Wayne Co, IN | 219 | water by tributary of Whitewater river |
| Williamsburgh | PO | De Kalb Co, IL | ||
| Williamsburgh | PV | Calloway Co, MO | ||
| Williamsfield | PT | Ashtabula Co, OH | 982 | |
| Williamson | PT | Wayne Co, NY | 2,380 | water by Lake Ontario |
| Williamson | PO | Jefferson Co, KY | ||
| Williamson's Mills | PO | Owen Co, IN | ||
| Williamsonville | PO | Lexington dist, SC | ||
| Williamsport | PO | Macon Co, MO | ||
| Williamsport | PB, CH | Lycoming Co, PA | seat of justice, water by west branch of Susquehanna river & Pennsylvania canal | |
| Williamsport | PV | Washington Co, MD | water by Potomac river at confluence of Conecocheague creek, Chesapeake & Ohio canal | |
| Williamsport | PV | Hardy Co, VA | ||
| Williamsport | PO | Point Coupe parish, LA | ||
| Williamsport | PV | Maury Co, TN | water by Duck river | |
| Williamsport | PV | Duck Creek twp, Pickaway Co, OH | ||
| Williamsport | V | Madison twp, Columbiana Co, OH | ||
| Williamsport | PV, CH | Warren Co, IN | seat of justice, water by Wabash river | |
| Williamston | PV, CH | Martin Co, NC | seat of justice, water by Roanoke river | |
| Williamstown | PT | Orange Co, VT | 1,452 | |
| Williamstown | PT | Berkshire Co, MA | 2,626 | water by Hoosic & Green rivers, seat of Williams college |
| Williamstown | PT | Oswego Co, NY | 1,121 | water by Salmon creek |
| Williamstown | PO | Camden Co, NJ | ||
| Williamstown | PV, CH | Grant Co, KY | seat of justice, water by Eagle creek | |
| Williamstown | T | Hancock Co, OH | 1,126 | |
| Williamstown | PO | Montgomery Co, OH | ||
| Williamstown | PO | Ingham Co, MI | ||
| Williamstown | PV | Decatur Co, IN | ||
| Williamsville | PV | Windham Co, VT | ||
| Williamsville | PV | Amherst twp, Erie Co, NY | water by Ellicott creek | |
| Williamsville | PV | Elk Co, PA | ||
| Williamsville | PV | Kent Co, DE | ||
| Williamsville | PO | Highland Co, VA | ||
| Williamsville | PV | Person Co, NC | ||
| Williamsville | PO | Dixon Co, TN | ||
| Williamsville | PO | Delaware Co, OH | ||
| Willimansett | PV | Springfield twp, Hampden Co, MA | water by Connecticut river | |
| Willimantic | PV | Windham twp, Windham Co, CT | water by Willimantic river | |
| Willing | PO | Alleghany Co, NY | ||
| Willinborough | PT | Burlington Co, NJ | 1,596 | |
| Willington | T | Piscataquis Co, ME | 600 | |
| Willington | PT | Tolland Co, CT | 1,388 | water by Willimantic river |
| Willington | PV | Abbeville dist, SC | ||
| Willisburgh | PO | Washington Co, KY | ||
| Williston | PT | Chittenden Co, VT | 1,669 | water by Onion or Winooski river |
| Williston | PO | Potter Co, PA | ||
| Williston | PV | Barnwell dist, SC | ||
| Willistown | PT | Chester Co, PA | 1,463 | water by Ridley & Crum creeks |