Adams County – No Chapter
Allen County Chapter, OGS
Website: in process
Email: [email protected]
The Alliance Genealogical Society – No Chapter
Ashland County Chapter, OGS
Website: https://www.ashlandccogs.org
Email: [email protected]
Ashtabula County Chapter, OGS
Website: http://www.ashtabulagen.org/
Email: [email protected]
Athens County Chapter, OGS
Website: http://www.athenshistory.org/
Email: [email protected]
Auglaize County Chapter, OGS
Website: http://www.rootsweb.com/~ohaugogs/index.html
Email: none
Belmont County Chapter, OGS
Website: https://bccogs.org/
Email: [email protected]
Brown County Chapter, OGS
PO Box 83, Georgetown, OH 45121-0083
Website: http://homepages.rootsweb.com/~teri/OH/brown-co.htm
Email: [email protected]
Butler County Chapter, OGS
Website: http://www.butlercountyogs.org/
Email: [email protected]
Carroll County Chapter, OGS
Website: http://www.rootsweb.com/~ohcarcgs/
Email: [email protected]
Champaign County Chapter, OGS – No Chapter
Clark County Chapter, OGS
Website: http://www.rootsweb.com/~ohcccogs/
Email: [email protected]
Clermont County Chapter, OGS
Website: http://ccgsoh.org
Email: [email protected]
Clinton County Chapter, OGS
Website: http://www.clintoncountyhistory.org
Email: [email protected]
Columbiana County Chapter, OGS
Website: http://www.rootsweb.ancestry.com/~ohcolumb/
Email: [email protected]
Coshocton County Chapter, OGS
Website: https://coshoctongenealogy.wordpress.com/
Email: [email protected]
Crawford County Chapter, OGS
Website: https://crawfordcountyohiogenealogy.org/
Email: [email protected]
Cuyahoga Valley Chapter, OGS
Website: http://www.cuyahogagenealogy.org/
Email: [email protected]
Cuyahoga West Chapter, OGS
Website: http://www.rootsweb.com/~ohcwogs
Email: [email protected]
Darke County Chapter, OGS
Website: https://www.dcogen.org/
Email: [email protected]
Defiance County Chapter, OGS
Website: http://www.defiancecountygenealogy.org/
Email: [email protected]
Delaware County Chapter, OGS
Website: http//www.delawareohiogenealogy.org
Email: [email protected]
East Cuyahoga Chapter, OGS
Website: http://www.rootsweb.ancestry.com/~oheccgs/
Email: [email protected]
Erie County Chapter, OGS – No Chapter
See Huron County Chapter OGS (DBA) Firelands Genealogical Society
Fairfield County Chapter, OGS
Website: http://www.fairfieldgenealogy.org/
Email: [email protected]
Fayette County Chapter, OGS
Website: https://sites.google.com/site/fayettecoohgensociety/
Email: [email protected]
Florida Chapter, OGS
Public Facebook Group: https://www.facebook.com/groups/474718687208607
Private Facebook Group: https://www.facebook.com/groups/FLOGS
Email: [email protected]
Franklin County Chapter, OGS
Website: http://www.fcghs-oh.org/
Email: [email protected]
Fulton County Chapter, OGS
Website: http://www.fultoncoogs.org/
Email: [email protected]
Gallia County Chapter, OGS
Website: http://galliagenealogy.org/
Email: [email protected]
Geauga County Chapter, OGS
Website: http://www.gcgsoh.org/
Email: [email protected]
Greater Cleveland Chapter, OGS
Website: https://gcgs.yolasite.com/
Email: [email protected]
Greene County Chapter, OGS
Website: https://www.greenecountyogs.com/
Email: [email protected]
Guernsey County Chapter, OGS
Website: www.guernseycountyohiogenealogy.com/
Email: [email protected]
Hamilton County Chapter, OGS
Website: http://www.hcgsohio.org/
Email: [email protected]
Hancock County Chapter, OGS
Website: https://www.facebook.com/hccogs
Email: [email protected]
Hardin County Chapter, OGS
Website: http://www.hardincountyconnections.com
Email: [email protected]
Harrison County Chapter, OGS
Website: https://sites.rootsweb.com/~ohharris/hcgs.htm
Email: [email protected]
Henry County Chapter, OGS
Website: http://www.henrycountyohiogenealogy.org/index.html
Email: none – Contact form on website
Highland County
See Southern Ohio Chapter, OGS
Hocking County Chapter, OGS
Website: https://hockingcountyhistorymuseum.org/
Email: [email protected]
Holmes County Chapter, OGS
Website: http://www.rootsweb.ancestry.com/~ohholmes/hcgs_index.html
Email: [email protected]
Hudson Genealogical Study Group
Website: https://www.hudsongsg.org/
Email: [email protected]
Huron County Chapter OGS (DBA) Firelands Genealogical Society
Website: http://www.hcc-ogs.org
Email: [email protected]
Jackson County Chapter, OGS
Website: http://www.jacksoncountyohiogen.com/
Email: [email protected]
Jefferson County Chapter, OGS
Website: http://www.jeffcochapter.com/
Email: [email protected]
Knox County Chapter, OGS
Website: http://www.rootsweb.com/~ohkcgs
Email: [email protected]
Lake County Chapter, OGS
Website: https://www.lcgsohio.org/
Email: [email protected]
Lawrence County Chapter, OGS
Website: http://www.lawrencegenealogy.org
Email: [email protected] or [email protected]
Licking County Chapter, OGS
Website: https://lickingcountyohiogenealogysociety.org/
Email: [email protected]
Logan County Chapter, OGS
Website: https://www.loganhistory.org/genealogical-society
Email: [email protected]
Lorain County Chapter, OGS
Website: http://loraincoogs.org/
Email: [email protected]
Lucas County Chapter, OGS
Website: http://www.lucasogs.org
Email: [email protected]
Madison County Chapter, OGS
Website: http://sites.rootsweb.com/~ohmadiso/index.html
Email: [email protected]
Mahoning County Chapter, OGS
Website: https://www.facebook.com/MahoningCountyGenealogy/
Email: [email protected]
Marion Area Chapter, OGS
Website: http://www.marionohmags.weebly.com
Email: [email protected]
Medina County Chapter, OGS
Website: http://medinacoogs.org/
Email: [email protected]
Meigs County Chapter, OGS
34465 Crew Road, Pomeroy, OH 45769
Email: none
Mercer County Chapter, OGS
Website: http://www.mercerogs.net
Email: [email protected]
Miami County Historical and Genealogical Society
Website: http://www.rootsweb.com/~ohmchgs/
Email: [email protected]
Monroe County Chapter, OGS
Website: http://www.rootsweb.com/~ohmccogs/
Email: [email protected]
Montgomery County Chapter, OGS
Website: https://mcc-ogs.org
Email: [email protected]
Morgan County Chapter, OGS
Website: http://www.morgancountyogs.org/
Email: [email protected]
Morrow County Chapter, OGS
Website: https://morrowcountygenealogy.org/
Email: [email protected]
Muskingum County Chapter, OGS
Website: http://www.mccogs.org
Email: [email protected]
Noble County Chapter, OGS
Website: www.noblecountyogs.org
Email: [email protected]
Ottawa County Chapter, OGS
Website: www.ocogs.org
Email: [email protected]
Paulding County Chapter, OGS
Website: http://www.pauldingcountyogs.org
Email: [email protected]
Perry County Chapter, OGS
Website: http://perrycochapterogs.org/
Email: [email protected]
Pickaway County Chapter, OGS
Website: http://www.pickawaygenealogy.org
Email: [email protected]
Pike County Chapter, OGS
Website: http://www.rootsweb.com/~ohpcgs/
Email: [email protected]
Portage County Chapter, OGS
Website: http://www.portagecountyhistoricalsociety.org/genealogy_society.html
Email: [email protected]
Preble County Chapter, OGS – No Chapter
Putnam County Chapter, OGS – No Chapter
Richland County Chapter, OGS
Website: http://www.rootsweb.com/~ohrichgs/
Email: [email protected]
Richland-Shelby Chapter, OGS
Website: www.shelbyohiohistory.org
Email: [email protected]
Ross County Chapter, OGS
Website: https://rcgsohio.org
Email: [email protected]
Sandusky County Chapter, OGS
Website: http://www.kinhunters.org/
Email: [email protected]
Scioto County Chapter, OGS
Website: http://www.sccogs.com
Email: [email protected]
Seneca County Chapter, OGS
Website: http://www.seneca-searchers.org/
Email: see http://www.seneca-searchers.org/contact-us.html
Shelby County Chapter, OGS
Website: http://shelbycountygenealogy.org/
Email: [email protected]
Southern Ohio Chapter of Highland County, OGS
Website: http://www.sogs.info/
Email: [email protected]
Stark County Chapter, OGS
Website: http://www.starkcountyogs.org/
Email: [email protected]
Summit County Chapter, OGS
Website: http://www.summitogs.org
Email: [email protected]
Trumbull County Chapter, OGS
Website: www.trumbullgenealogy.com & www.facebook.com/trumbullcountyohiogenealogy
Email: [email protected]
Tuscarawas County Chapter, OGS
Website: http://www.tuscogene.com/
Email: [email protected]
Union County Chapter, OGS
Website: http://www.uccogs.org
Email: [email protected]
Van Wert County Chapter, OGS – No Chapter
Vinton County Chapter, OGS
Website: None
Email: [email protected]
Warren County Chapter, OGS
Website: https://www.wcgsohio.org/
Washington County Chapter, OGS
Website: http://www.washogs.org/
Email: [email protected]
Wayne County Chapter, OGS
Website: https://waynecoohogs.org/
Email: [email protected]
Williams County Chapter, OGS
Facebook: https://www.facebook.com/genealogyohio.wmscounty.7
Email: [email protected]
Wood County Chapter, OGS
Website: http://www.wcogs.org/
Email: [email protected]
Wyandot County Chapter, OGS
Website: http://sites.rootsweb.com/~ohwyand2/
Email: [email protected]