1850 Atlas
| Name | What | Place | Pop | Other |
| Bug Hall | PO | Macon Co, AL | ||
| Buggabo | PO | Wilkes Co, NC | ||
| Bulah | PO | Obion Co, TN | ||
| Bulger | PO | Washington Co, PA | ||
| Bulger's Mills | PO | Coosa Co, AL | ||
| Bull Creek | PO | Wood Co, VA | ||
| Bullbonus Grove | PO | Will Co, IL | ||
| Bullion | PO | Waukesha Co, WI | ||
| Bull Mills | PO | Taney Co, MO | ||
| Bull Pasture | PO | Bath Co, VA | ||
| Bull Run | PO | Grainger Co, TN | ||
| Bull Skin | PO | Gallia Co, OH | ||
| Bull Skin | PT | Fayette Co, PA | 1,428 | |
| Bull Swamp | PO | Orangeburgh dist, SC | ||
| Bull Town | PO | Braxton Co, VA | ||
| Bullock's | PO | Granville Co, NC | ||
| Bullock's Creek | PO | York Co, SC | ||
| Bullocktown | PV | Queen Anne Co, MD | ||
| Bull's Head | PO | Dutchess Co, NY | ||
| Bulluctah | PO | Leake Co, MS | ||
| Bullville | PO | Crawford Twp, Orange Co, NY | ||
| Buncomb | PO | Pontotoc Co, MS | ||
| Bundysburgh | PV | Parkman Twp, Geauga Co, OH | ||
| Bunger's Mill | PO | Greenbrier Co, VA | ||
| Bunker Hill | PO | Bucks Co, PA | ||
| Bunker Hill | PO | Macoupin Co, IL | ||
| Bunker Hill | PO | Bedford Co, VA | ||
| Bunker Hill | PO | Jefferson Co, FL | ||
| Bunker Hill | PT | Ingham Co, MI | 374 | |
| Bunker's Hill | PO | Giles Co, TN | ||
| Bunker's Hill | PO | Catawba Co, NC | ||
| Burbank | blank | Wayne Co, OH | ||
| Burboise | PV | Franklin Co, MO | 504 | |
| Burchville | PO | St Clair Co, MI | ||
| Burdett | PV | Hector twp, Tompkins Co, NY | ||
| Burdsfield | PO | Bedford Co, PA | ||
| Burgersville | PO | Johnson Co, AR | ||
| Burgess' Store | PO | Northumberland Co, VA | ||
| Burgesville | PO | Johnson Co, IN | ||
| Burgettstown | PO | Washington Co, PA | ||
| Burke | PO | Franklin Co, NY | ||
| Burke | PT | Caledonia Co, VT | 1,103 | |
| Burke's Garden | PO | Tazwell Co, VA | ||
| Burkesville | PV | Prince Edward Co, VA | ||
| Burkesville | PV, CH | Cumberland Co, KY | seat of justice, water by Cumberland river | |
| Burkesville | PO | Newton Co, TX | ||
| Burkittsville | PV | Frederick Co, MD | ||
| Burkittsville | PO | Attila Co, MS | ||
| Burlescn | PO | Franklin Co, AL | ||
| Burlingham | PV | Mamakating twp, Sullivan Co, NY | ||
| Burlingham | PV | Bedford twp, Meigs Co, OH | ||
| Burlington | PT | Penobscot Co, ME | 481 | |
| Burlington | PT, CH | Chittenden Co, VT | 5,211 | seat of justice, on Lake Champlain |
| Burlington | PT | Kane Co, IL | 664 | |
| Burlington | PT | Hartford Co, CT | 1,161 | water by Farmington river |
| Burlington | PT | Middlesex Co, MA | 545 | water by Shawsheen river |
| Burlington | PT | Otsego Co, NY | 1,835 | |
| Burlington | PT, city | Burlington Co, NJ | 4,436 | water by Delaware river |
| Burlington | PT | Bradford Co, PA | 1,927 | water by Sugar creek |
| Burlington | PV | Fayette twp, Lawrence Co, OH | seat of justice, water by Ohio river | |
| Burlington | PT | Calhoun Co, MI | 811 | |
| Burlington | V | Hampshire Co, VA | ||
| Burlington | PV | Carroll Co, IN | ||
| Burlington | PO | Racine Co, WI | ||
| Burlington | PV | Des Moines Co, IA | 4,081 | |
| Burlington | T | Kicking Co, OH | 1,388 | |
| Burlington | PO | East Baton Rouge parish, LA | ||
| Burlington | PV, CH | Boone Co, KY | seat of justice | |
| Burlington Flats | PO | Burlington twp, Otsego Co, NY | ||
| Burnington | T | Shiawassee Co, MI | ||
| Burnersville | PO | Barbour Co, VA | ||
| Burnes | T | Alleghany Co, NY | 948 | water by Canasarega crek |
| Burnett | PO | Dodge Co, WI | ||
| Burnett's Creek | PO | White Co, IN | ||
| Burnettston | T | Franklin Co, MA | ||
| Burnham | PT | Waldo Co, ME | 784 | |
| Burnham Village | PO | Waldo Co, ME | ||
| Burning Spring | PO | Wirt Co, VA | ||
| Burns | PO | Alleghany Co, NY | ||
| Burns | PT | Shiawassee Co, MI | ||
| Burns | PO | Henry Co, IL | ||
| Burn's Levee | PO | Cumberland Co, NC | ||
| Burnside | PT | Clearfield Co, PA | 1,046 | |
| Burnsville | PO | Yancey Co, NC | ||
| Burnsville | PO | Dallas Co, AL | ||
| Burnsville | PO | McDonough Co, IL | ||
| Burnt Cabins | PO | Bedford Co, PA | ||
| Burnt Corn | PO | Monroe Co, AL | ||
| Burnt Hills | PO | Bellston Twp, Saratoga Co, NY | ||
| Burnt Ordinary | PO | James City Co, VA | ||
| Burnt Prairie | PV | White Co, IL | ||
| Burnt Quarter | PO | Dinwiddle Co, VA | ||
| Burnt Stand | PO | Carroll Co, GA | ||
| Burnt Tavern | PO | Monmouth Co, NJ | ||
| Burnt Tavern | PO | Garrard Co, KY | ||
| Burntville | PO | Brunswick Co, VA | ||
| Burrullville | PT | Providence Co, RI | 3,838 | water by Branch river |
| Burritt | PO | Winnebago Co, IL | ||
| Burr Oak | PO | Mercer Co, MO | ||
| Burr Oak | PT | St Joseph's Co, MI | ||
| Burr Oak Grove | PO | Stephenson Co, IL | ||
| Burr's Ferry | PO | Sabine parish, LA | ||
| Burr's Mills | PO | Jefferson Co, NY | ||
| Burrsville | PV | Caroline Co, MD | ||
| Burrsville | PO | Russell Co, AL | ||
| Burshley Creek | PO | Catahoula parish, LA | ||
| Burrville | PO | Litchfield Co, CT | ||
| Bursonville | PO | Bucks Co, PA | ||
| Burton | T | Pike Co, OH | 639 | |
| Burton | T | Luzerne Co, PA | 1,063 | |
| Burton | PO | Parke Co, IN | ||
| Burton | PO | Adams Co, IL | ||
| Burton's | PO | Tishamingo Co, MS | ||
| Burton's Corners | PO | Boone Co, IL | ||
| Burtonsville | PO | Charleston twp, Montgomery Co, NY | ||
| Burtonsville | PO | Greene Co, VA | ||
| Burtonsville | PO | Daviess Co, KY | ||
| Burtonton | PO | Copish Co, MS | ||
| Burtville | PO | McKean Co, PA | ||
| Burwell's Bay | PO | Isle of Wright Co, VA | ||
| Busbayville | PO | Houston Co, GA | ||
| Busbee's Store | PO | Wake Co, NC | ||
| Bush Creek | PO | Bureau Co, IL | ||
| Bush Creek | T | Washington Co, AR | ||
| Buch Creek | T | Scioto Co, OH | 650 | |
| Bushkill | PO | Pike Co, PA | ||
| Bushkill | T | Northampton Co, PA | 1,839 | water by Bushkill creek |
| Bushnell's Basin | PV | Perrinton twp, Monroe Co, NY | on Erie Canal | |
| Bushnellsville | PO | Greene Co, NY | ||
| Bush's Mills | PO | Lewis Co, VA | ||
| Bush's Store | PO | Laurel Co, KY | ||
| Bushville | PO | Franklin Co, GA | ||
| Bushwick | T | King's Co, Long Island, NY | 3,739 | water by Buchwick creek |
| Bushy Creek | PO | Williamson Co, TX | ||
| Business Corner | PO | Van Buren Co, IA | ||
| Buskirk's Bridge | PV | Cambridge twp, Washington Co, NY | water by Hoosick river | |
| Busborn Mills | PO | Sullivan Co, IN | ||
| Busti | PT | Chautauque Co, NY | 1,990 | |
| Bustom | T | Luzerne Co, PA | ||
| Bustleton | PV | Philadelphia Co, PA | ||
| Butcher's Store | PO | Randolph Co, VA | ||
| Butler | PT | Wayne Co, NY | 2,272 | |
| Butler | PB, CH | Butler Co, PA | 1,148 | seat of justice, water by Connequenessing creek |
| Butler | T | Luzerne Co, PA | 725 | |
| Butler | PO | Baltimore Co, MD | ||
| Butler | PT | De Kalb Co, IN | 651 | |
| Butler | PO, CH | Choctaw Co, AL | seat of justice, | |
| Butler | T | Branch Co, MI | 611 | water by Hog river |
| Butler | T | Columbiana Co, OH | 1,692 | |
| Butler | PO | Richland Co, OH | ||
| Butler | T | Darke Co, OH | 1,446 | |
| Butler | PT | Knox Co, OH | 763 | |
| Butler | T | Mercer Co, OH | 221 | |
| Butler | PO | Franklin parish, LA | ||
| Butler | PO | Milwaukee Co, WI | ||
| Butler | PO | Fulton Co, MO | ||
| Butler | T | Montgomery Co, OH | ||
| Butler | PO | Keokuk Co, IA | ||
| Butler's Landing | PV | Jackson Co, TN | water by Cumberland river | |
| Butler's Mills | PO | Montgomery Co, NC | ||
| Butler Spring | PO | Butler Co, AL | ||
| Butlerville | PO | Warren Co, OH | ||
| Butlerville | PO | Butler Co, AL | ||
| Butlerville | PO | Jennings Co, IN | ||
| Butlersville | PO | Anderson dist, SC | ||
| Buttahatchy | PO | Monroe Co, MS | ||
| Butte Des Morts | PO | Winnebago Co, WI | ||
| Butterfly | PO | New Haven twp, Oswego Co, NY | ||
| Butternuts | PT | Otsego Co, NY | 1,928 | water by Butternut creek & Unadilla river |
| Butternut Ridge | PO | Sandusky Co, OH | ||
| Buttermilk Falls | PO | Orange Co, NY | ||
| Butzetown | PO | Northampton Co, PA | ||
| Buycksville | PO | Coosa Co, AL | ||
| Buxton | PT | York Co, ME | 2,995 | water by Saco river |
| Buxton Centre | PO | Buxton twp, York Co, ME | ||
| Buzzard Roost | PO | Franklin Co, AL | ||
| Byberry | PT | Philadelphia Co, PA | 1,130 | water by Poquessing creek |
| Byersville | PO | Sparta twp, Livingston Co, NY | ||
| Byersville | PO | Guernsey Co, OH | ||
| Byfield | PV | Newbury & Rowley twps, Essex Co, MA | water by Parker river | |
| Byhalia | PO | Marshall Co, MS | ||
| Byington | PO | Pike Co, OH | ||
| Byram | T | Sussex Co, NJ | 1,340 | water by Musconetcong river |
| Byrd | PT | Brown Co, OH | 2,642 | |
| Byrd | T | Cape Girardeau Co, MO | ||
| Byrneville | PO | Harrison Co, IN | ||
| Byrneville | PV | Fulton twp, Schoharie Co, NY | ||
| Byron | PO | Oxford Co, ME | ||
| Byron | PT | Genesee Co, NY | 1,566 | water by Black creek |
| Byron | PV | Shiawassee Co, MI | ||
| Byron | PO | Greene Co, OH | ||
| Byron | PO | Laporte Co, IN | ||
| Byron | PO | Fond du Lac Co, WI | ||
| Byron | PT | Ogle Co, IL | 644 | |
| Byron Forge | PO | Stewart Co, TN |