1850 Atlas
In the atlas Saint is used, I am typing it as St for time sake
| Name | What | Place | Pop | Other |
| St Albans | PT | Somerset Co, ME | 1,792 | water by tributary of Sebasticook river |
| St Albans | PT, CH | Franklin Co, VT | 3,567 | seat of justice, water by Lake Champlain |
| St Albans | PT | Licking Co, OH | 1,429 | water by Raccoon fork of Licking river |
| St Alabns | PV | Hancock Co, IL | ||
| St Alban's Bay | PO | Franklin Co, VT | ||
| St Andrews | PO | Montgomery twp, Orange Co, NY | ||
| St Andrew's Bay | PO | Washington Co, FL | ||
| St Armand | PO | Essex Co, NY | ||
| St Aubert | PO | Callaway Co, MO | ||
| St Augustine | City | St John's Co, FL | 1,934 | seat of justice, water by Matanzas sound |
| St Augustine | PO | Fulton Co, IL | ||
| St Charles | PV | Kane Co, IL | ||
| St Charles | PV | St Charles Co, MO | seat of justice, water by Missouri river, seat of St Charles college | |
| St Charles | PO | Butler Co, OH | ||
| St Charles | PO | Johnson Co, NC | ||
| St Charles | PO | Arkansas Co, AR | ||
| St Clair | PT, CH | St Clair Co, MI | 1,729 | seat of justice, water by St Clair strait |
| St Clair | PT | Bedford Co, PA | 1,945 | |
| St Clair | T | Butler Co, OH | 1,150 | water by Great Miami river |
| St Clair | PT | Columbiana Co, OH | 1,153 | water by Sandy & Beaver canals |
| St Clair | PO | Schuylkill Co, PA | ||
| St Clair | PO | Hawkins Co, TN | ||
| St Clairsville | PV, CH | Belmont Co, OH | 1,025 | seat of justice, |
| St Clememts' Bay | PO | St Mary's Co, MD | ||
| St Cloud | PO | East Feliciana parish, LA | ||
| St Croix | V, CH | St Croix Co, WI | seat of justice, water by St Croix lake | |
| St Dennis | PO | Baltimore Co, MD | ||
| St Ferdinant | PT | St Louis Co, MO | ||
| St Field | PO | Muskingum Co, OH | ||
| St Franics | PV | St Francis Co, AR | ||
| St Francis | T | Phillips Co, AR | 1,276 | |
| St Francis | T | Wayne Co, MO | ||
| St Francis | PT | St Francis Co, MO | ||
| St Francisville | PV | Lawrence Co, IL | ||
| St Francisville | PV, CH | West Feliciana parish, LA | seat of justice, water by Mississippi river | |
| St Francisville | PV | Clark Co, MO | water by Des Moines river | |
| St Genevieve | PV, CH | St Genevieve Co, MO | seat of justice, water y Mississippi river & Gabourie creek | |
| St George | PT | Lincoln Co, ME | 2,217 | water by Muscongus bay & Atlantic ocean |
| St George | T | Chittenden Co, VT | 127 | |
| St George's | P hundred | New Castle Co, DE | 2,343 | |
| St George's | PO | Colleton dist, SC | ||
| St Helen | PO | Cedar Co, MO | water by Ticfah river | |
| St Helena | PV | St Helena parish, LA | ||
| St Henry's | PO | Mercer Co, OH | ||
| St Illa | PO | Ware Co, GA | ||
| St Inigoes | V | St Mary's Co, MD | water by St Inigoes river | |
| St Jacob | PO | Madison Co, IL | ||
| St James | T | Scott Co, MO | ||
| St John | PO | Lake Co, IN | ||
| St John | PO | Dodge Co, MO | ||
| St John | PO | Hertford Co, NC | ||
| St John's | PO | Auglaize Co, OH | ||
| St Johns | T | New Madrid Co, MO | ||
| St Johnsbury | PT | Franklin Co, MO | ||
| St Johnsbury Centre | PT | Caledonia Co, VT | 2,758 | water by Pasumpsic river |
| St Johnsbury East | PO | St Johnsbury twp, Caledonia Co, VT | ||
| St Johnsville | PT | Montgomery Co, NY | 1,629 | water by East Canada & Zimmerman's creeks, Mohawk river |
| St Joseph | PT | Williams Co, OH | 589 | |
| St Joseph | PT | Berrien Co, MI | water by St Joseph & Papaw rivers, Lake Michigan | |
| St Joseph | PO | Calhoun Co, FL | ||
| St Joseph | PT | Allen Co, IN | ||
| St Joseph | PO, CH | Tensas parish, LA | seat of justice | |
| St Joseph's | PO | Champlain Co, IL | ||
| St Julian | PO | Linn Co, IA | ||
| St Lawrence | PO | Chatham Co, NC | ||
| St Lawrence | PO | Jefferson Co, NY | ||
| St Leger | PO | Ozark Co, MO | ||
| St Leonard's | PV | Calvert Co, MD | ||
| St Louis | City | St Louis Co, MO | 77,864 | seat of justice, on Mississippi river |
| St Louisville | PO | Licking Co, OH | ||
| St Marie | PV | Jasper Co, IL | 420 | |
| St Mark's | PV | Leon Co, FL | near the union of St Mark's, Wakully & Appalachee rivers | |
| St Martin's | PV | Worcester Co, MD | ||
| St Martinsville | PV, CH | St Martin's parish, LA | seat of justice, water by Bayou Teche, at head of steam navigation | |
| St Mary's | PO | Chester Co, PA | ||
| St Mary's | PV, CH | Auglaize Co, OH | 873 | seat of justice, water by St Mary's river, at head of navigtion |
| St Mary's | PV | Camden Co, GA | water by St Mary's river | |
| St Mary's | PO | Hancock Co, IL | ||
| St Mary's | PO | Wood Co, VA | ||
| St Mary's | PO | Linn Co, IA | ||
| St Mary's | PO | Vigo Co, IN | ||
| St Mary's | PO | Lafayette Co, WI | ||
| St Mary's Landing | PV | St Genevieve Co, MO | water by Mississippi river | |
| St Matthews | PO | Jefferson Co, KY | ||
| St Matthew's | PO | Orangeburgh dust, SC | ||
| St Michael | PT | Madison Co, MO | ||
| St Michael's | PV | Talbot Co, MD | 863 | water by St Michael's river |
| St Omer | PV | Decatur Co, IN | water by Flat Rock creek | |
| St Paris | PV | Johnston twp, Champaign Co, OH | ||
| St Paul | PO | Madison Co, AR | ||
| St Paul | PO | Greene Co, MO | ||
| St Paul | PO | Clarke Co, AL | ||
| St Paul's | PO | Robeson Co, NC | ||
| St Peter's | PO | Chester Co, PA | ||
| St Peter's | PO | Franklin Co, IN | ||
| St Stephen | PO | Fauquier Co, VA | ||
| St Stephen's | PV | Washington Co, AL | water by Tombigbee river | |
| St Tammany's | PO | Mecklenburg Co, VA | ||
| St Thomas | PT | Franklin Co, PA | 1,957 | water by Back creek |