1850 Atlas
| Name | What | Place | Pop | Other |
| South Hadley | PT | Hampshire Co, NH | 2,495 | water by Muddy & Connecticut rivers |
| South Hadley Falls | PV | South Hadley twp, Hampshire Co, NH | water by Connecticut river | |
| South Halifax | PO | Halifax twp, Windham Co, VT | ||
| South Hammond | PO | Hammond twp, St Lawrence Co, NY | ||
| South Hampton | PT | Suffolk Co, NY | 6,501 | water by Great & Little Peconic bays, Atlanic ocean |
| South Hampton | PT | Rockingham Co, NH | 472 | water by Powow river |
| South Hanover | PV | Jefferson Co, IN | 683 | |
| South Hanson | PO | Plymouth Co, MA | ||
| South Hardwick | PO | Hardwick twp, Caledonia Co, VT | ||
| South Harpeth | PO | Davidson Co, TN | ||
| South Harrisburgh | PO | Lewis Co, NY | ||
| South Hartford | PO | Hartford twp, Oxford Co, ME | ||
| South Hartford | PV | Hartford twp, Washington Co, NY | ||
| South Hartwick | PO | Otsego Co, NY | ||
| South Harwich | PV | Harwich twp, Barnstable Co, MA | ||
| South Haven | PV | Van Buren Co, MI | 220 | |
| South Hawley | PV | Hawley twp, Franklin Co, MA | ||
| South Henrietta | PO | Jackson Co, MI | ||
| South Hermitage | PO | Lancaster Co, PA | ||
| South Hero | PT | Grand Isle Co, VT | 705 | constitutes south part of the largest island in Lake Champlain |
| South Hill | PV | Bradford Co, PA | ||
| South Hill | PO | Mecklenburgh Co, VA | ||
| South Hill | PO | Steuben Co, NY | ||
| South Hingham | PV | Hingham twp, Plymouth Co, MA | ||
| South Hollow | PO | Jo-Daviess Co, IL | ||
| South Hope | PO | Waldo Co, ME | ||
| South Huntingdon | PT | Westmoreland Co, PA | ||
| South Jackson | PV | Jackson twp, Jackson Co, MI | ||
| South Kent | PV | Kent twp, Litchfield Co, CT | ||
| South Killingly | PV | Killingly twp, Windham Co, CT | ||
| South Kingston | PT | Washington Co, RI | 3,807 | seat of justice, water by Long Island sound & Narraganset bay, near centre of town is village of North Kingston, containing county buildings |
| South Kirtland | PO | Kirtland twp, Lake Co, OH | ||
| South Kortright | PO | Kortright twp, Delaware Co, NY | ||
| South Lansing | PO | Lansing twp, Tompkins Co, NY | ||
| South Lee | PV | Lee twp, Berkshire Co, MA | ||
| South Leeds | PO | Leeds twp, Kennebec Co, ME | ||
| South Levant | PO | Levant twp, Penobscot Co, ME | ||
| South Lincoln | PV | Lincoln twp, Penobscot Co, ME | ||
| South Livonia | PO | Livonia twp, Livingston Co, NY | ||
| South Lodi | PO | Lodi twp, Seneca Co, NY | ||
| South Lowell Mills | PO | Orange Co, NC | ||
| South Lyme | PV | Lyme twp, New London Co, CT | ||
| South Lyndeborough | PO | Hillsborough Co, NH | ||
| South Lyon | PO | Oakland Co, MI | ||
| South Manchester | PO | Hartford Co, CT | ||
| South Marcellus | PO | Marcellus twp, Onondaga Co, NY | ||
| South Maxfield | PO | Penobscot Co, ME | ||
| South Merrimack | PO | Hillsborough Co, NH | ||
| South Middleborough | PO | Middleborough twp, Plymouth Co, PA | ||
| South Middletown | PT | Cumberland Co, PA | 2,252 | water by Yellow Breeches & Mountain creeks |
| South Middletown | V | Wallkill twp, Orange Co, NY | ||
| South Milford | PO | Milford twp, Worcester Co, MA | ||
| South Milford | PO | Cecil Co, MD | ||
| South Milford | PO | La Grange Co, IN | ||
| South Milford | PO | Otsego Co, NY | ||
| South Mills | PO | Camden Co, NC | ||
| South Moluncus | PO | Aroostook Co, ME | ||
| South Montville | PO | Waldo Co, ME | ||
| South Mount Vernon | PO | Kennebec Co, ME | ||
| South Nankin | PO | Nankin twp, Wayne Co, MI | ||
| South Natick | PV | Natick twp, Middlesex Co, MA | ||
| South Nashville | PO | Davidson Co, TN | ||
| South New Berlin | PV | New Berlin twp, Chenango Co, NY | ||
| South Newburgh | PO | Newburgh twp, Penobscot Co, ME | ||
| South Newbury | PO | Newbury twp, Orange Co, VT | ||
| South Newbury | PO | Merrimack Co, NH | ||
| South Newcastle | PV | Ohio twp, Gallia Co, OH | water by Ohio river | |
| South New Market | PV | New Market twp, Rockingham Co, NH | water by Lamprey river | |
| South Newport | PV | McIntosh Co, GA | ||
| South Newry | PO | Newry twp, Oxford Co, ME | ||
| South Norwalk | PV | Norwalk twp, Fairfield Co, CT | ||
| South Olive | PO | Morgan Co, OH | ||
| South Onondaga | PO | Onondaga twp, Onondago Co, NY | ||
| South Orange | PV | Orange twp, Franklin Co, MA | ||
| South Orange | PO | Essex Co, NJ | ||
| South Orleans | PO | Orleans twp, Barnstable Co, MA | ||
| South Orrington | PO | Orrington twp, Penobscot Co, ME | ||
| South Otselic | PO | Otselic twp, Chenango Co, NY | ||
| South Owego | PO | Owego twp, Tioga Co, NY | ||
| South Oxford | PO | Oxford twp, Chenango Co, NY | ||
| South Oyster Bay | PO | Oyster Bay twp, Queens Co, NY | ||
| South Paris | PO | Paris twp, Oxford Co, ME | ||
| South Parsonsfield | PO | Parsonsfield twp, York Co, ME | ||
| South Perry | PO | Fairfield Co, OH | ||
| South Plymouth | PO | Wayne Co, MI | ||
| South Plymouth | PO | Chenango Co, NY | ||
| South Point | PO | Lincoln Co, NC | ||
| South Pomfret | PO | Windsor Co, VT | ||
| South Prairie | PO | Boone Co, IL | ||
| South Prospect | PO | Waldo Co, ME | ||
| South Pultney | PO | Pultney twp, Steuben Co, NY | ||
| South Quay | PO | Nansemond Co, VA | ||
| South Raymond | PO | Rockingham Co, NH | ||
| South Reading | PO | Reading twp, Windsor Co, VT | ||
| South Reading | PT | Middlesex Co, MA | 2,407 | water by Reading pond |
| South Richland | PO | Oswego Co, NY | ||
| South Ridge | PO | Ashtabula Co, (only has O) | ||
| South River | PO | Middlesex CO, NJ | ||
| South River | PO | Anne Arundel CO, MD | ||
| South River | T | Marion Co, MO | 757 | |
| South Royalton | PO | Worcester Co, MA | ||
| South Royalton | PO | Royalton twp, Niagara Co, NY | ||
| South Royalton | PO | Windsor Co, VT | ||
| South Rutland | PO | Rutland twp, Jefferson Co, NY | ||
| South Ryegate | PO | Caledonia Co, VT | ||
| South Saluda | PO | Greenville dist, SC | ||
| South St George | PO | Lincoln Co, ME | ||
| South Salem | PV | Lewisborough twp, Westchester Co, NY | water by tributary of Croton river | |
| South Salem | PO | Ross Co, OH | ||
| South Sandwich | PV | Sandwich twp, Barnstable Co, MA | ||
| South Sanford | PO | York Co, ME | ||
| South Sangerville | PO | Siscataquis Co, ME | ||
| South Schodake | PO | Schodack twp, Rensselaer Co, NY | ||
| South Scituate | PO | Scituate twp, Plymouth Co, MA | ||
| South Scituate | PO | Scituate twp, Providence Co, RI | ||
| South Sebec | PO | Secec twp, Piscataquis Co, ME | ||
| South Sekonk | PV | Bristol Co, MA | ||
| South Shaftsbury | PO | Shaftsburty twp, Bennington Co, VT | ||
| South Shenango | PT | Crawford Co, PA | 1,664 | |
| South Shrewsbury | PV | Shrewsbury twp, Worcester Co, MA | ||
| South Side | PO | Richmond Co, Staten Island, NY | ||
| South Sodus | PV | Wayne Co, NY | ||
| South Solon | PO | Solon twp, Somerset Co, ME | ||
| South Solon | PO | Stokes twp, Madison Co, OH | ||
| South Stephentown | PO | Stephentown twp, Rensselaer Co, NY | ||
| South Sterling | PO | Sterling twp, Wayne Co, PA | ||
| South Stoddard | PO | Cheshire Co, NH | ||
| South Strabane | PO | Washington Co, PA | ||
| South Strafford | PO | Strafford twp, Orange Co, VT | ||
| South Tamworth | PO | Tamworth twp, Carroll Co, NH | ||
| South Thomaston | PV | Lincoln Co, ME | ||
| South Thompson | PO | Geauga Co, OH | ||
| South Thurston | PO | Steuben Co, NY | ||
| South Trenton | PO | Trenton twp, Oneida Co, NY | ||
| South Union | PV | Logan Co, KY | ||
| South Valley | PO | Cherry Valley twp, Otsego Co, NY | ||
| South Vassalborough | PO | Vassalborough twp, Kennebec Co, ME | ||
| South Venice | V | Venice twp, Cayuga Co, NY | ||
| South Walden | PO | Walden twp, Caledonia Co, VT | ||
| South Wales | PO | Wales twp, Erie Co, NY | ||
| South Wallingford | PO | Wallingford twp, Rutland Co, VT | ||
| South Walpole | PO | Walpole twp, Norfolk Co, MA | ||
| South Warren | PO | Bradford Co, PA | ||
| South Warsaw | PO | Wyoming Co, NY | ||
| South Waterford | PO | Waterford twp, Oxford Co, ME | ||
| South Weare | PO | Weare twp, Hillsborough Co, NH | ||
| South Wellfleet | PO | Wellfleet twp, Barnstable Co, MA | ||
| South West | PT | Orange Co, IN | ||
| South West | T | Warren Co, IN | ||
| South Westerloo | PV | Westerloo twp, Albany Co, NY | ||
| South Westport | PV | Westport twp, Bristol Co, MA | ||
| South Weymouth | PO | Weymouth twp, Norfolk Co, MA | ||
| South Whitehall | PT | Lehigh Co, PA | 2,913 | water by Jordan & Cedar creeks |
| South Whitley | PT | Hampden Co, MA | ||
| South Wilbraham | PO | Wilbraham twp, Hampden Co, MA | 1,120 | water by tributary of Westfield river |
| South Williamstown | PV | Williamstown twp, Berkshire Co, MA | ||
| South Wilson | PO | Wilson twp, Niagara Co, NY | ||
| South Windham | PO | Windham twp, Cumberland Co, ME | ||
| South Windham | PO | Windham twp, Windham Co, VT | ||
| South Windham | PO | Windham twp, Windham Co, CT | ||
| South Windsor | PO | Windsor twp, Kennebec Co, ME | ||
| South Windsor | PV | Windsor twp, Broome Co, NY | ||
| South Windsor | PO | Windsor twp, Hartford Co, CT | ||
| South Wolfborough | PV | Wolfborough twp, Carroll Co, NH | ||
| South Woodbury | PT | Bedford Co, PA | 1,122 | |
| South Woodstock | PV | Woodstock twp, Windsor Co, VT | ||
| South Worcester | PV | Worcester twp, Otsego Co, NY | ||
| South Wrentham | PO | Wrentham twp, Norfolk Co, MA | ||
| South Yarmouth | PV | Yarmouth twp, Barnstable Co, MA | ||
| South Zanesville | V | Muskingum Co, OH |