1850 Atlas
| Name | What | Place | Pop | Other |
| East Macdonough | PO | Macdonough twp, Chenango Co, NY | ||
| East Machias | PO | Washington Co, ME | ||
| East Madison | PO | Somerset Co, ME | ||
| East Maine | PO | Broome Co, NY | ||
| East Mansville | PO | Fulton Co, NY | ||
| East Marion | PO | Livingston Co, MI | ||
| East Marion | PO | Suffolk Co, Long Island, NY | ||
| East Marshfield | PO | Marshfield twp, Plymouth Co, MA | ||
| East Marlborough | T | Chester Co, PA | 1,425 | water by Pocopsen & Redclay creeks |
| East Medway | PV | Medway twp, Norfolk Co, MA | ||
| East Middleborough | PV | Plymouth Co, MA | ||
| East Middlebury | PO | Middlebury twp, Addison Co, VT | ||
| East Monmouth | PO | Monmouth twp, Kennebec Co, ME | ||
| East Montpelier | PO | Montpelier twp, Washington Co, VT | ||
| East Monroe | V | Fairfield twp, Highland Co, OH | ||
| East Montville | PO | Waldo Co, ME | ||
| East Moriches | PO | Suffolk Co, Long Island, NY | ||
| East Moultonborough | PO | Moultonborough twp, Carroll Co, NH | ||
| East Nantmeal | L | Chester Co, PA | 921 | water by north & south branches of French creeks |
| East Nassau | PO | Rennselaer Co, NY | ||
| East New Market | PV | Dorchester Co, MD | ||
| East Newport | PO | Newport twp, Penobscot Co, ME | ||
| East New Portland | PO | New Portland twp, Somerset Co, ME | ||
| East New Sharon | PO | New Sharon twp, Kennebec Co, ME | ||
| East New Vineyard | PO | Franklin Co, ME | ||
| East New York | PV | Flatbush twp, King's Co, Long Island, NY | ||
| East Northport | PO | Northport twp, Waldo Co, ME | ||
| East Northwood | PV | Northwood twp, Rockingham Co, NH | ||
| East North Yarmouth | PO | Cumberland Co, ME | ||
| East Norwich | PO | Queen's Co, Long Island, NY | ||
| East Nottingham | T | Chester Co, PA | 2,412 | water by Elk & Little Elk creeks |
| East Ogden | PO | Lenawee Co, MI | ||
| Easton | PT | Bristol Co, MA | 2,337 | water by tributaries of Taunton river |
| Easton | PT | Washington Co, NY | 3,235 | water by Batten Kill |
| Easton | PB, CH | Northampton Co, PA | 4,865 | Seat of justice, water by Delaware & Lehigh rivers, Bushkill creek and Delaware, Morris & Lehigh canals |
| Easton | PV, CH | Talbot Co, MD | 1,413 | water by Trend Haven creek |
| Easton | PO | Wayne Co, OH | ||
| East Orange | PO | Delaware Co, OH | ||
| East Orange | PO | Orange Co, VT | ||
| East Orangeville | PO | Wyoming Co, NY | ||
| East Orleans | PV | Orleans twp, Barnstable Co, MA | ||
| East Orrington | PO | Penobscot Co, ME | ||
| East Otis | V | Otis twp, Berkshire Co, MA | ||
| East Otto | PO | Otto twp, Cattarangus Co, NY | ||
| East Painted Post | PO | Painted post twp, Steuben Co, NY | ||
| East Palestine | PV | Columbiana Co, OH | ||
| East Palmyra | PO | Palmyra twp, Wayne Co, NY | ||
| East Parish | PO | Oswego Co, NY | ||
| East Parsonsfield | PO | Parsonsfield twp, York Co, ME | ||
| East Pembroke | PO | Pembroke twp, Genesee Co, NY | ||
| East Penn | PT | Carbon Co, PA | 689 | water by Mahoning & Lizzard creeks |
| East Pennsborough | T | Cumberland Co, PA | water by Conedogwinnet creek & Susquehanna river | |
| East Pepperell | PO | Middlesex Co, MA | ||
| East Peru | PO | Clinton Co, NY | ||
| East Pharsalia | PO | Pharsalia twp, Chenango Co, NY | ||
| East Pierpont | PO | Pierpont twp, St Lawrence Co, NY | ||
| East Pike | PO | Pike twp, Wyoming Co, NY | ||
| East Pike Run | PT | Washington Co, PA | ||
| East Pitcairn | PO | St Lawrence Co, NY | 1,358 | |
| East Pittsfield | PO | Pittsfield twp, Somerset Co, ME | ||
| East Pittston | PO | Pittston twp, Kennebec Co, ME | ||
| East Plainfield | PV | Plainfield twp, Sullivan Co, NH | ||
| East Plymouth | PO | Ashtabula Co, OH | ||
| East Poestenkill | PO | Reneselaer Co, NY | ||
| East Poland | PO | Poland twp, Cumberland Co, ME | ||
| East Point | PO | De Kalb Co, GA | ||
| Eastport | PT | Washington Co, PA | water by Cobscook river | |
| Eastport | PV | Tishemingo Co, MS | water by Tennessee river & Bear creek | |
| East Portage | T | Jackson Co, MI | ||
| East Poultney | PO | Poultney twp, Rutland Co, VT | ||
| East Princeton | PO | Worcester Co, MA | ||
| East Providence | PT | Bedford Co, PA | ||
| East Raisinville | PO | Raisinville twp, Monroe Co, MI | 991 | |
| East Randolph | PV | Randolph twp, Orange Co, VT | ||
| East Randolph | PO | Randolph twp, Norfolk Co, MA | ||
| East Randolph | PO | Cattatangus Co, NY | ||
| East Randolph | PO | Dodge Co, WI | ||
| East Raymond | PO | Raymond twp, Cumberland Co, ME | ||
| East Readfield | PO | Readfield twp, Kennebec Co, ME | ||
| East Richland | PO | Belmont Co, OH | ||
| East River | PO | Mercer Co, VT | ||
| East River | PO | Walton Co, FL | ||
| East Rochester | PO | Columbiana Co, OH | ||
| East Rodman | PO | Rodman twp, Jefferson Co, NY | ||
| East Rockhill | T | Bucks Co, PA | ||
| East Roxbury | PO | Roxbury twp, Washington Co, VT | ||
| East Rumford | PT | Rumford twp, Oxford Co,, ME | ||
| East Rupert | PO | Rupert twp, Bennington Co, VT | ||
| East Sagnaw | PO | Sagnaw Co, MI | ||
| East Salem | PO | Salem twp, Washington Co, NY | ||
| East Salisbury | PV | Salisbury twp, Essex Co, MA | ||
| East Sanbornton | PV | Sanbornton twp, Belknap Co, NH | ||
| East Sandwich | PV | Sandwich twp, Barnstable Co, MA | ||
| East Sandy | PO | Venango Co, PA | ||
| East Sangerville | PO | Sangerville twp, Piscataquis Co, ME | ||
| East Schuyler | PO | Schuyler twp, Herkimer Co, NY | ||
| East Scott | PO | Cortland Co, NY | ||
| East Sheffield | PO | Sheffield twp, Berkshire Co, MA | ||
| East Sharon | PO | Potter Co, PA | ||
| East Sharon | PO | Norfolk Co, MA | ||
| East Sharpburgh | PO | Blair Co, PA | ||
| East Shelby | PO | Orleans Co, NY | ||
| East Shelburne | PO | Franklin Co, MA | ||
| East Sheldon | PO | Sheldon twp, Franklin Co, VT | ||
| East Smithfield | PO | Bradford Co, PA | ||
| East Springfield | PO | Jefferson Co, OH | ||
| East Springfield | PO | Springfield twp, Otsego Co, NY | ||
| East Springhill | PO | Bradford Co, PA | ||
| East Springwater | PO | Livingston Co, NY | ||
| East Standish | PO | Standish twp, Cumberland Co, ME | ||
| East Sterling | PO | Sterling twp, Wayne Co, PA | ||
| East Stoneham | PO | Oxford Co, ME | ||
| East Stroughton | PO | Stoughton twp, Norfolk Co, MA | ||
| East Strong | PO | Franklin Co, ME | ||
| East Suffield | PO | Hartford Co, CT | ||
| East Sullivan | PO | Hancock Co, ME | ||
| East Sullivan | PO | Cheshire Co, NH | ||
| East Sumner | PO | Sumner twp, Oxford Co, ME | ||
| East Thetford | PO | Orange Co, VT | ||
| Eastown | T | Chester Co, PA | 710 | water by Darby creek |
| East Townsend | PO | Townsend twp, Huron Co, OH | ||
| East Trenton | PO | Trenton twp, Hancock Co, OH | ||
| East Troy | PV | Walworth Co, WI | ||
| East Turner | PO | Turner twp, Oxford Co, ME | ||
| East Union | PT | Wayne Co, OH | 1,940 | |
| East Union | PO | Lincoln Co, ME | ||
| East Unity | PV | Unity twp, Sullivan Co, NH | ||
| East Vassalborough | PO | Vassalborough twp, Kennebec Co, ME | ||
| East Varick | PO | Seneca Co, NY | ||
| Eastville | PV | Randolph Co, AL | ||
| Eastville | PV, CH | Northampton Co, VA | seat of justice, water by King's creek | |
| Eastville | PO | Bath Co, KY | ||
| East Virgil | PO | Virgil twp, Cortland Co, NY | ||
| East Vincent | T | Chester Co, PA | 1,505 | |
| East Wakefield | PO | Carroll Co, NH | ||
| East Wallingford | PO | Rutland Co, VT | ||
| East Wareham | PV | Wareham twp, Plymouth Co, MA | ||
| East Washington | PV | Washington twp, Sullivan Co, NH | ||
| East Waterford | PV | Lack twp, Juniata Co, PA | water by Tuscaron creek | |
| East Weare | PV | Weare twp, Hillsborough Co, NH | ||
| East Westmoreland | PO | Cheshire Co, NH | ||
| East Westville | PO | Mahoning Co, OH | ||
| East Weymouth | PV | Weymouth twp, Norfolk Co, MA | ||
| East Whately | PV | Whately twp, Franklin Co, MA | ||
| East Whiteland | T | Chester Co, PA | 1,194 | |
| East Wilton | PO | Wilton twp, Hillsborough Co, NH | ||
| East Windham | PO | Greene Co, NY | ||
| East Windsor | T | Hartford Co, CT | 2,633 | water by Connecticut & Scantic rivers |
| East Windsor | T | Mercer Co, NJ | 2,596 | water by Millstone river, Assumpink & Miry runs |
| East Windsor Hill | PO | East Windsor twp, Hartford Co, CT | ||
| East Winthrop | PO | Winthrop twp, Kennebec Co, ME | ||
| East Woburn | PO | Middlesex Co, MA | ||
| East Wolwich | PO | Lincoln Co, ME | ||
| East Worcester | PV | Worcester twp, Otsego Co, NY |