Libraries, Archives & Museums - "O"

• Oak Harbor Public Library  ~ Oak Harbor, Ohio
• Oak Hill Public Library  ~ Oak Hill, Ohio
  • Local History & Roots 
• Oakland County Library  ~ Pontiac, Michigan
  • Oakland County Research Library 
    • Genealogy 
• Oakland Public Library  ~ New Jersey
• Oak Lawn Public Library   ~ Illinois
  • Oak Lawn Local History 
    • Index to Local Newspapers 
    • Obituaries from Local Newspapers 
• Oaklyn Memorial Library  ~ New Jersey
• Oak Park Public Library  ~ Oak Park, Illinois
  • Oak Park History 
• Oberlin College Library  ~ Oberlin, Ohio
  • Special Collections 
• Oberlin Public Library  ~ Oberlin, Ohio
• Oberösterreichisches Landesarchiv 
  Province of Upper Austria Archives.
• Oceanside Library  ~ New York
• Ocean Springs Municipal Library  ~ Mississippi
• OCLC Online Computer Library Center Home Page 
• Ocmulgee Regional Library System  ~ Eastman, Georgia
  Serving Bleckly, Dodge, Pulaski, Telfair, Wheeler & Wilcox counties.
  • Genealogy and Local History 
• Oconee County Library  ~ Watkinsville, Georgia
  • Heritage Room 
    Located at the main library of the Athens Regional Library System.
• Oconee Regional Library  ~ Dublin, Georgia
  Serving Johnson, Laurens, Treutlen & Washington counties.
• Oconomowoc Public Library  ~ Oconomowoc, Wisconsin
• Odell Public Library  ~ Morrison, Illinois
• ODL Online: Oklahoma Department of Libraries 
  • Directory of Oklahoma Public Libraries on the Web 
  • Oklahoma Libraries 
  • Records Management Division 
  • State Archives Division 
    • Genealogy in the Archives 
• Odon Winkelpleck Library  ~ Odon, Indiana
• Ogden Farmers' Library  ~ Spencerport, New York
  • Genealogy & Local History Collections 
• Ogdensburg Public Library  ~ New York
• Oglethorpe County Library  ~ Lexington, Georgia
  • Heritage Room 
    Located at the main library of the Athens Regional Library System.
• Ohio County Public Library 
  • Special and Unique Holdings 
    • Wheeling Room 
  • Greenwood Cemetery 
  • History On-Line 
  • Newspaper Archives 
  • OCPL Vertical File 
• Ohio Public Library Information Network (OPLIN) 
  • Genealogy 
• Ohio State University Libraries 
• Ohio Township Public Library  ~ Chandler & Newburgh, Indiana
• Ohio University Libraries 
  • Genealogy Research Guide 
  • Ohio University Archives & Special Collections 
• Ohoopee Regional Library System  ~ Vidalia, Georgia
  Serving Montgomery, Tattnall & Toombs counties.
  • Ladson Genealogical Library 
• Oil City Library  ~ Oil City, Pennsylvania
• Okefenokee Regional Library System  ~ Georgia
  Serving Appling, Bacon, Clinch, Pierce, & Ware counties.
• O'Kelly Memorial Library  ~ Loganville, Georgia
• Oklahoma Historical Society 
  • OHS Library Resources 
    • OHS Resources for Genealogy 
    • Oklahoma History 
    • Records in the OHS Research Collection 
    • US Census 
• Oklahoma State University Library 
  • Special Collections and University Archives 
• Okolona Carnegie Library  ~ Mississippi
• Olathe Public Library  ~ Olathe, Kansas
  • Kansas Room 
• Old Bridge Public Library  ~ New Jersey
• Oldham Local Studies & Archives  ~ Lancashire, England
  • Tracing your family history at Oldham Local Studies and Archives 
• Old Colony Library Network  ~ Massachusetts
• Old Court House Civil War Museum 
  Winchester, Virginia, served as a prison/hospital during the Civil War.
• Old Dominion University Library  ~ Virginia
  • Special Collections 
    • Manuscript Collections 
      • African-American History 
      • Civil War Collections 
      • Local History 
      • Military History 
      • Women's History 
• Old Forge Library  ~ New York
• Oldham County Clerk's Office  ~ Kentucky
  • Legal Records Department 
• Oldham County Public Library  ~ Buckner, Kentucky
• Old Jail Museum & Library  ~ Hiddenite, North Carolina
  Home to the Alexander County Ancestry Association, Inc.'s Genealogical Research Library.
• Old Rugged Cross Historical Museum  ~ Reed City, Michigan
  Houses the archives of the Reed City Area Genealogical Society.
• Old Town Public Library  ~ Maine
• Olean Public Library  ~ New York
  • Genealogy 
    • Cemetery Records 
    • New York State 1855 Census Index-Cattaraugus County-Town of Olean 
    • New York State 1865 Census Index-Cattaraugus County-Town of Olean 
    • New York State 1875 Census Index-Cattaraugus County-Town of Olean 
• Olive Free Library Association  ~ West Shokan, New York
• Olivia Public Library  ~ Minnesota
• Olivia Raney Local History Library 
  General information about the ORL with links to a description of research materials, programs, projects, speakers, and the Wake County Genealogical Society.
• Omaha Public Library  ~ Nebraska
  • Genealogy Dept @ Omaha Public Library 
    7,000 plus holdings searchable through web catalog. Specific holdings lists for Omaha & Nebraska historical records & microfilm including cemetery, church, city directories, military, birth, death, marriage, naturalization and miscellaneous; census & mortality indexes; federal & state census & soundex microfilm; genealogy CD-ROMS; Omaha newspapers on microfilm.
• Omro Public Library  ~ Omro, Wisconsin
• Onarga Community Public Library District  ~ Onarga, Illinois
• Oneida Public Library  ~ New York
• Online Archive of California 
  A component of the California Digital Library, the OAC includes a single, searchable database of "finding aids" to primary sources and their digital facsimiles. Primary sources include letters, diaries, manuscripts, legal and financial records, photographs and other pictorial items, maps, architectural and engineering records, artwork, scientific logbooks, electronic records, sound recordings, oral histories artifacts and ephemera.
  • California Heritage Collection 
    An online archive of more than 30,000 images illustrating California's history and culture, from the collections of the Bancroft Library at the University of California, Berkeley.
• Online Archive of New Mexico 
  Integrated source for searching and navigating finding aids to archival collections.
• Onondaga County Public Library  ~ Syracuse, New York
• Onondaga Free Library  ~ Syracuse, New York
• Onslow County Public Library  ~ Jacksonville, North Carolina
  • Genealogy 
• Ontario City Library  ~ Oregon
• Oradell Public Library  ~ New Jersey
  • Archive Collection 
• Oral History Research Center at Indiana University 
• Orangeburg Public Library  ~ New York
• Orange County Public Library  ~ California
  • Obituary/Genealogy Research 
• Orange County Library System  ~ Orlando, Florida
  • Genealogy Department 
• Orange County Public Library  ~ Hillsborough, North Carolina
  • Local and Family History 
• Orange Empire Railway Museum 
  OERM's purpose is to preserve and display rail transportation equipment used in Southern California, including street car equipment.
• Orcas Island Public Library  ~ Eastsound, Washington
• Örebro Stadsarkiv / The City Archives of Örebro  ~ Sweden
• Oregon City Public Library  ~ Oregon
• The Oregon Coast History Center  ~ Newport, Oregon
  Home of the Lincoln County Historical Society.
  • Research Library 
• Oregon Libraries on the Web 
  A list from the Oregon Library Association.
• Oregon Secretary of State Archives Division 
  • Archives Holdings 
  • Genealogy Records 
    • Adoption Research 
    • Census Records 
    • Land Records 
    • Military Records 
    • Naturalization Records 
    • Probate Records 
    • Vital Records 
  • Local Government Records 
  • Oregon Historical County Records Guide 
    A comprehensive descriptive inventory of selected records for each of Oregon's 36 counties.
    • Quick Link to the Records Inventories 
      Links to individual web pages (by county) with descriptions and listings for each type of record in the inventory.
  • Oregon Historical Records Index 
    This index includes entries compiled from examining actual records held by the Oregon State Archives. The spelling of surnames and other information reflects the original records. Total number of entries: 568,481.
  • Provisional and Territorial Records Guide 
  • Web Exhibits and Projects 
    • Historic Photograph Database 
      Includes over 10,000 viewable photographs and related descriptions from the holdings of the Salem Public Library, the Oregon State Archives, and the Marion County Historical Society.
    • Oregon at War! World War One and the Oregon Experience 
• Oregon State Library 
• Oregon State University Library 
  • Oregon State University Archives 
  • Special Collections 
• Oregon Trail Regional Museum  ~ Baker City, Oregon
• Orion Township Public Library  ~ Lake Orion, Michigan
• Oriskany Public Library  ~ New York
• Orland Park Public Library  ~ Illinois
• Orono Public Library  ~ Maine
• Orr's Island Library  ~ Maine
• Orrville Public Library  ~ Orrville, Ohio
• Országos Széchényi Könyvtár / National Széchényi Library 
  The National Libary of Hungary.
• Osage County Library  ~ Linn, Missouri
  • Genealogy and Missouri Information 
• Oscoda County Library  ~ Mio, Michigan
• Osgood Public Library District  ~ Osgood, Indiana
• Österreichische Nationalbibliothek / National Library of Austria 
• Oshawa Military and Industrial Museum  ~ Ontario
• The Oshkosh Public Library  ~ Oshkosh, Wisconsin
  • Genealogy Collection 
• Ossining Public Library  ~ New York
• Österreichisches Staatsarchiv / Austrian State Archives 
  Their introductory page in English.
  • Genealogy/Family History Research 
    The "customs" of archives and the structure of archival holdings, the peculiarities of Using archives and the administrative organization of archives in Austria are the reason why genealogical research in archives is a time consuming purpose, considering both the variety of archival holdings of the Austrian State Archives and difficulties to find the relevant information. It is necessary to prepare a solid research strategy.
• Oswayo Valley Memorial Library  ~ Shinglehouse, Pennsylvania
• Oswego County Clerk - Records Center Research Materials  ~ Oswego, New York
• Oswego School District Public Library  ~ New York
• Otsego County Library  ~ Gaylord, Michigan
• Otsego District Public Library  ~ Michigan
  • Special Collections 
• Ottawa County Historical Museum  ~ Minneapolis, Kansas
• Ottawa Library  ~ Ottawa, Kansas
• Ottawa Public Library / Bibliothčque publique d'Ottawa  ~ Ontario, Canada
• Ottumwa Public Library  ~ Iowa
• Ouachita Parish Public Library  ~ Louisiana
  • Genealogy 
• Outagamie Waupaca Library System  ~ Appleton, Wisconsin
• Ouyen Local History Resource Centre Inc.  ~ Victoria, Australia
• Overton County Public Library  ~ Tennessee
• Ovid Public Library  ~ Michigan
• Owatonna Public Library  ~ Minnesota
  • Genealogy 
• Owen County Public Library  ~ Spencer, Indiana
  • Genealogical & Local History Collection 
• Owen County Public Library  ~ Owenton, Kentucky
• Oxford County Library  ~ Ontario, Canada
  • Genealogy & Local History 
    • Ingersoll and Area Cemetery Index 
      Online searchable index.
    • Ingersoll Chronicle Online Database 
      Online searchable index of all the birth, death and marriage notices found in the Ingersoll Chronicle newspaper, Ingersoll, Ontario, Canada, from 1854-1919.
    • Ingersoll Tribune Online Database 
      Online searchable index of all the birth, death and marriage notices found in the Ingersoll Tribune newspaper, Ingersoll, Ontario, Canada, from 1897-1970.
    • Oxford County Genealogy Records Database 
      Online searchable index.
    • Town of Ingersoll: Births 
      Online searchable database of offical birth records for the town of Ingersoll, Ontario, Canada, from June 8, 1896 to January 4, 1934.
    • Town of Ingersoll: Deaths 
      Online searchable database of offical death records for the town of Ingersoll, Ontario, Canada, from July 15, 1896 to January 5, 1934.
    • Town of Ingersoll: Marriages 
      Online searchable database of offical Marriage records for the town of Ingersoll, Ontario, Canada, from August 4 1896 to January 27, 1934.
• Oxford Memorial Library  ~ New York
• Oxford Public Library  ~ Indiana
• Oxfordshire Libraries  ~ England
• Oxfordshire Record Office  ~ England
  • Centre for Oxfordshire Studies 
    • Family History 
    • House History 
• Oxford University Archives  ~ England
• Oyster Bay - East Norwich Public Library  ~ New York

Report a Broken Link / Update a Link