Societies & Groups - "O"

• The Oak Creek Historical Society  ~ Wisconsin
• Oakland County Genealogical Society  ~ Michigan
• Oakland County Historical Society  ~ Pontiac, Michigan
• Oakland County Pioneer and Historical Society  ~ Pontiac, Michigan
  Research library containing manuscripts, photographs, printed materials and oral histories on the history of Oakland County. Also home of Pine Grove Museum, the former home of Governor Moses Wisner.
• The Oakland (ME) Area Historical Society  ~ Maine
  Contains vital records, census information, family genealogy, town history, pictures, plus information on the OAHS.
  • Oakland and Oakland-related Data Online 
• Oberlin Historical and Improvement Organization  ~ Oberlin, Ohio
  • Resource Center 
  • Oberlin History Resources 
    • Oberlin City Directory Database 
      Online searchable index.
    • Westwood Cemetery Project 
• Obion County Historical Society  ~ Union City, Tennessee
• Ocean County Historical Society  ~ Toms River, New Jersey
• Ocean Springs Genealogical Society, Inc.  ~ Jackson County, Mississippi
• Oconomowoc Historical Society  ~ Oconomowoc, Waukesha County, Wisconsin
• Oconto County Historical Society  ~ Oconto, Wisconsin
  Maintains the Beyer Home Museum, a restored 1890s northern mansion.
• Oelwein Area Genealogical Society  ~ Oelwein, Iowa
• O'Fallon Illinois Historical Society Museum  ~ O'Fallon, Illinois
• Offaly Historical and Archaeological Society 
  The family history research centre for the Irish counties of Laois and Offaly.
• Ogemaw Genealogical and Historical Society  ~ West Branch, Michigan
• Ogle County Genealogical Society  ~ Oregon, Illinois
• Ogle County Historical Society  ~ Oregon, Illinois
• Ohio Cemetery Preservation Society 
  An association dedicated to preserve and protect Ohio's most precious and endangered heritage resources -- our historic cemeteries and burying grounds. A primary goal of OCPS will be to increase the awareness and inestimable value of our cemeteries as sosurces of community and state pride and encourage groups and individuals to help preserve them as landmarks for future generations to learn from and appreciate.
• Ohio County Genealogical Society  Beaver Dam, Kentucky
• Ohio County Historical Society & Museum  ~ Rising Sun, Indiana
• Ohio Genealogical Society 
  • Chapters 
• Ohio Historical Society 
• Ohio Libraries and Genealogical Societies 
• Ohio Postal History Society 
• Ohio Society Children of the American Revolution 
• The Ohio Society Daughters of the American Revolution 
• Ohio Society of the Order of Founders and Patriots of America 
• Ohio Society of the War of 1812 
  Purposes, membership requirements, links to War of 1812 sites, forifications in Ohio during the War of 1812, list of 195 American Prisioners of War that died in Nova Scotia during the War of 1812.
• Okanogan County Historical Society  ~ Okanogan, Washington
• Oklahoma Genealogical Society 
• Oklahoma Historical Society 
• Oklahoma Society Daughters of the American Revolution 
• Oklahoma State Society Daughters of the American Colonists 
• Oklahoma Welsh Society 
• Oktibbeha County Historical and Genealogical Society  ~ Starkville, Mississippi
• Old Bethlem Historical Society  ~ Connecticut
• The Old Broad Bay Family History Association 
  This group covers the 150 German families that came to Broad Bay, Massachusetts, (now Waldoboro, Lincoln County, Maine) from 1740 and 1753.
• Old Brutus Historical Society  ~ Weedsport, New York
  • Genealogical Research 
• Old Buncombe County Genealogical Society  ~ Asheville, North Carolina
  Serving Buncombe, Cherokee, Clay, Graham, Haywood, Henderson, Jackson, McDowell, Macon, Madison, Polk, Rutherford, Swain, Transylvania & Yancey counties.
• Old Canada Road Historical Society 
  Serving Maine's Upper Kennebec Valley.
• The Old Cemeteries Society - Victoria Tombstone Tales of Ross Bay Cemetery  ~ British Columbia, Canada
  Victoria's Ross Bay Cemetery opened in 1873 to serve the burial needs of the growing city of Victoria, British Columbia, Canada. Overlooking Ross Bay, it is 11 hectares in size (27.5 acres) and has almost 28,000 interments. Not just a burial ground, it serves as a park and restful get-away for many people. Come inside and take a virtual tour, meet some of the more famous residents, learn about issues that concern twentieth-century cemeteries or just enjoy some of the stories of this great cemetery.
• Old Colony Historical Society  ~ Massachusetts
• Old Colorado City Historical Society  ~ Colorado
• Old Darlington District Chapter of the South Carolina Genealogical Society 
• Old Dartmouth Historical Society  ~ Massachusetts
• Old Dobbs County Genealogical Society  ~ Goldsboro, North Carolina
• Old Edgefield District Genealogical Society  ~ Edgefield, South Carolina
• Olde Colony Civil War Round Table  ~ Massachusetts
• Olde Mecklenburg Genealogical Society  ~ Charlotte, North Carolina
• Old Fort Genealogical Society  ~ Fort Madison, Iowa
• Old Fort Genealogical Society of Southeastern Kansas, Inc.  ~ Fort Scott, Kansas
• Old Gala Club - Galashiels and District Local History Society  ~ Galashiels, Scotland
• Oldham County Kentucky Historical Society  ~ La Grange, Kentucky
• Old Island Restoration Foundation, Key West, Florida 
  Old Island Restoration Foundation is dedicated to preserving the architectural and cultural history of Key West Florida through the Oldest House Museum, Mallory Square Museum, scholarships, grants, and educational events.
• Old Logandale School Historic And Cultural Society  ~ Logandale, Nevada
  Historic photographs, family histories, local history, Moapa Valley reference material, lookups, etc.
• The Old Mansfield Society  ~ England
• Old Mecklenburg County Heritage Society  ~ Huntersville, North Carolina
• Old Mill Hill Society; Trenton, New Jersey 
  The website of the neigborbood civic association for the Mill Hill National Historic District in center city Trenton, New Jersey. The Local History Page contains a history of the area, a series of newspaper articles about the neighborhood from 1917 & copies of the Trenton city directories from 1881 & 1920.
  • Chronological Indexes 
    Daily listing of events from the True American, a Trenton newspaper .
  • History of Trenton 
  • Mercer County Naturalization Records 
  • Trenton City Directories 
    City directories for Trenton, New Jersey: 1857, 1881, 1882, 1900 & 1920.
  • Trenton Obituaries 
• Old Newberry District Chapter of the South Carolina Genealogical Society 
• Old New Hanover Genealogical Society  ~ North Carolina
• Old 96th District Chapter, South Carolina Genealogical Society  ~ Greenwood, South Carolina
• Old Northwest Historical Society  ~ Ohio
  Dedicated to preserving and perpetuating the history of the Old Northwest Territory. The region northwest of the Ohio river that became the states of Ohio, Indiana, Illinois, Michigan, and Wisconsin.
• Old Paisley Society - Sma' Shot Cottages  ~ Renfrewshire, Scotland
• Old Pendleton District Chapter of the South Carolina Genealogical Society  ~ South Carolina
• The Old Saybrook Historical Society  ~ Connecticut
• Old Settlers Association  ~ Grayson County, Texas
• Old York Historical Society  ~ Maine
• Old Sydney Society  ~ Sydney, Nova Scotia
• Old York Road Historical Society  ~ Jenkintown, Pennsylvania
• Olmsted County Genealogical Society 
• Olmsted County Historical Society  ~ Rochester, Minnesota
  • Library & Archives 
• Olympia Genealogical Society  ~ Washington
• Omeo Historical Society & Museum  ~ Australia
  Unique collection of original records dating back to 1850, many indexed.
• Ondawa-Cambridge Chapter National Society Daughters of the American Revolution  ~ Cambridge, New York
• 100 Mile & District Historical Society  ~ 100 Mile Ranch, British Columbia, Canada
• Oneida County Historical Society  ~ Utica, New York
• One Stop Italian American: OSIA.org 
  The Order Sons of Italy in America.
• Onondaga Historical Association  ~ Syracuse, New York
• Ons Voorgeslacht - Zuidhollandse Vereniging Voor Genealogie  ~ Rotterdam, Netherlands
• Ontario County Genealogical Society  ~ Canandaigua, New York
• Ontario County Historical Society  ~ Canandaigua, New York
• Ontario & Western Railway Historical Society  ~ New York
  The historical society for the New York, Ontario & Western Ry (1880-1957) which operated in New York, Pennsylvania and New Jersey. The NYO&W was originally called the New York & Oswego Midland.
• Ontario Genealogical Society  ~ Canada
  • OGS Branches 
    • Brant County Branch, Ontario Genealogical Society 
    • Bruce and Grey Branch of the Ontario Genealogical Society 
    • Durham Region Branch of the Ontario Genealogical Society 
      Previously named the Whitby-Oshawa Branch.
    • Elgin County Branch, Ontario Genealogical Society 
    • Essex County Branch 
    • Haldimand County Branch - Ontario Genealogical Society 
    • Halton-Peel Branch, Ontario Genealogical Society 
    • Hamilton Branch, Ontario Genealogical Society 
    • Huron County Branch OGS 
    • Kawartha Branch, Ontario Genealogical Society  ~ Peterborough
    • Kent County Branch of the Ontario Genealogical Society 
    • Kingston Branch, Ontario Genealogical Society 
    • Lambton County Branch of the OGS 
    • Leeds & Grenville Genealogical Society 
    • London & Middlesex County Branch of the Ontario Genealogical Society 
    • Niagara Peninsula Branch Genealogy - Ontario Genealogical Society 
    • Nipissing District Branch, Ontario Genealogical Society 
      Nipissing, Temiskaming and Parry Sound.
    • The Norfolk County Branch of the Ontario Genealogical Society 
    • Ottawa Branch, Ontario Genealogical Society 
    • Oxford County Branch 
    • Perth County Branch, Ontario Genealogical Society 
    • Quinte Branch Ontario Genealogical Society 
      The Quinte Branch of the Ontario Genealogical Society (OGS) covers the Bay of Quinte area (Hastings and Prince Edward Counties) and encourages, assists, and brings together all those interested in the pursuit of family history.
    • Sault Ste. Marie & District of Algoma, Branch of Ontario Genealogical Society 
    • Simcoe County Branch, Ontario Genealogical Society 
    • Sudbury Branch, Ontario Genealogical Society 
    • Thunder Bay Branch, Ontario Genealogical Society 
    • Toronto Branch of the Ontario Genealogical Society 
    • Waterloo Branch, Ontario Genealogical Society 
    • Wellington County Branch Ontario Genealogical Society 
    • York Region Branch, Ontario Genealogical Society 
• Ontario Monument Builders Association 
• Ontonagon County Genealogical Society  ~ Ontonagon, Michigan
• Ontonagon County Historical Society  ~ Michigan
• Oorlogsgravenstichting - OGS 
  The Netherlands War Graves Foundation.
• Oracle Historical Society  ~ Arizona
• Oral History Association 
• Oral History Society 
• Oral History Association of Dickinson College ~ Pennsylvania
• Orange County California Genealogical Society (OCCGS) 
• Orange County Genealogical Society  ~ Paoli, Indiana
• Orange County Genealogy Society  ~ Goshen, New York
• Orange County Historical Society 
  ~ Orlando, Florida
• Orange County Historical Society  ~ Paoli, Indiana
• Orange County Historical Society  ~ Orange, Texas
• Orange County Historical Society, Inc.  ~ Virginia
• Orange County Mayflower Colony  ~ California
• Orangeburgh German-Swiss Genealogical Society  ~ South Carolina
• Oran M. Roberts Chapter 440, UDC 
  United Daughters of the Confederacy chapter, located in Houston, Texas.
• Orbisonia-Rockhill Furnace Historical Society  ~ Pennsylvania
• Order of Confederate Rose, Belle Boyd Chapter, Shreveport, Louisiana 
• Order of Descendants of Ancient Planters 
  People who arrived in Virginia before 1616, remained for a period of three years, paid their passage, and survived the massacre of 1622.
• The Order of the Founders and Patriots of America 
• Order of the First Families of Maryland 
• The Order of Knights of Pythias 
  An international, non-sectarian fraternal order, founded in 1864.
  • Knights of Pythias Lodges & Pythian Sisters Temples 
• The Order of Founders and Patriots of America 
• Order of the Indian Wars Home Page 
• The Order of the Indian Wars of the United States 
  Hereditary Society for gentlemen who's ancestors saw combat action in any of the American Indian Wars.
• The Orders and Medals Research Society 
  Members of this society research the military careers of the individuals whose names are found inscribed on medals.
• The Orders and Medals Society of America 
• The Order of the Sons of Hermann in the State of Texas 
  Fraternal benefits society originally for German immigrants.
  • History 
• The Oregon-California Trails Association (OCTA) 
• Oregon County Genealogical Society  ~ Alton, Missouri
• Oregon Electric Railway Historical Society 
• Oregon Genealogical Society 
• Oregon Historical Society 
• Oregon Historic Cemeteries Association  ~ Boring, Oregon
• Oregon Lewis & Clark Chapter, Oregon State Society Daughters of the American Revolution  ~ Eugene, Oregon
• Oregon State Society Daughters of the American Revolution 
• Oregon Trail Chapter, Oregon State Society Daughters of the American Revolution  ~ Gresham, Oregon
• Orkney Family History Society  ~ Scotland
• Orleans County Genealogical Society  ~ Albion, New York
  • NY-OCGS Mailing List 
    For the discussion and sharing of information regarding the activities of the Orleans County (New York) Genealogical Society and genealogical resources available in the Orleans County area. Archives: browse or search.
• Orleans County Historical Society  ~ Brownington, Vermont
• The Ormskirk & District Family History  ~ Lancashire, England
• Orphan Train Heritage Society of America, Inc. 
• Orwell Local History Society  ~ England
• Osage County Historical Society, Inc. & Genealogical Research Center  ~ Lyndon, Kansas
• Osage County Historical Society  ~ Linn, Missouri
  • Osage County Genealogy Center 
• Osceola County Historical Society & Pioneer Center Museum  ~ Kissimmee, Florida
• Osgoode Township Historical Society & Museum  ~ Ontario, Canada
• Ostfriesen Genealogical Society of Minnesota - Genealogy for Ostfriesland, Germany 
• Oswego County Genealogy Society  ~ Oswego, New York
• Otisfield Historical Society  ~ Maine
• Ottawa Branch, Ontario Genealogical Society  ~ Canada
• Ottawa County Chapter of the Ohio Genealogical Society 
• Otter Tail County Genealogical Society  ~ Fergus Falls, Minnesota
• Otter Tail County Historical Society  ~ Fergus Falls, Minnesota
• Ouachita-Calhoun Genealogical Society 
• Outagamie County Historical Society  ~ Wisconsin
• Overland Park Historical Society  ~ Kansas
• Overton County Historical/Genealogical Society  ~ Livingston, Tennessee
• Owasso Historical Society  ~ Tulsa County, Oklahoma
• Owen County Historical & Genealogical Society  ~ Spencer, Indiana
• Owen County Historical Society  ~ Owenton
  Information on the society from the USGenWeb project.
• Owyhee County Historical Society  ~ Murphy, Idaho
• Owsley County Historical Society  ~ Booneville, Kentucky
  • KY-OWSLEY-CO-HISTORICAL-SOCIETY Mailing List 
    For the discussion and sharing of information regarding the activities of the Owsley County (Kentucky) Historical Society and genealogical resources available in the Owsley County area. Archives: browse or search.
• Ox Cart Trails Historical Society  ~ Drayton, North Dakota
  Serving Kittson & Marshall counties in Minnesota and Pembina and Walsh counties in North Dakota.
• Oxford County Branch 
  Ontario Genealogical Society, Canada.
• Oxford Historical Society  ~ England
• Oxfordshire Local History Association   ~ England
• Oxford Orphanage Alumni Association  ~ North Carolina
• Oxfordshire Architectural and Historical Society  ~ England
• Oxfordshire Family History Society  ~ England
• Oxfordshire Record Society  ~ England
• Oxgangs Local History Group  ~ Edinburgh, Scotland
• The Oyster Bay Historical Society  ~ New York
• Ozark Mountain Chapter Sons of the American Revolution  ~ Springfield, Missouri
• Ozarks Genealogical Society  ~ Missouri
• Ozaukee County Historical Society  ~ Cedarburg, Wisconsin

Report a Broken Link / Update a Link