Adams County – No Chapter


Allen County Chapter, OGS
Website: http://allencogenealogysociety.homestead.com/Main.html
Email: [email protected]


The Alliance Genealogical Society – No Chapter


Ashland County Chapter, OGS
Website: http://ashlandohiogenealogy.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: http://www.belmontccogs.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
P.O. Box 908 Greenville, Ohio 45331-0908
Website: http://dcgs.dcoweb.org
Email: none


Defiance County Chapter, OGS
Website: http://www.defiancecountygenealogy.org/
Email: [email protected]


Delaware County Chapter, OGS
Website: http://delawareohiohistory.com
Email: [email protected]


East Cuyahoga Chapter, OGS
Website: http://www.rootsweb.ancestry.com/~oheccgs/
Email: [email protected]


Erie County Chapter, OGS – No Chapter


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
Website: https://fcogs.org
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: http://www.rootsweb.ancestry.com/~ohgcgs/
Email: [email protected] or [email protected]


Greene County Chapter, OGS
Website: http://www.rootsweb.com/~ohgccogs/
Email: [email protected]


Guernsey County Chapter, OGS
Website: http://www.usgennet.org/usa/oh/county/guernsey/gcgs/
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
64 N Culver St Logan OH 43138-1433
Email: none


Holmes County Chapter, OGS
Website: http://www.rootsweb.ancestry.com/~ohholmes/hcgs_index.html
Email: [email protected]


Hudson Genealogical Study Group
Website: http://www.rootsweb.com/~ohhudogs/hudson.htm
Email: [email protected]


Huron County Chapter, OGS
Website: http://www.hcc-ogs.org
Email: [email protected] or [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: www.facebook.com/Licking-Couty-Ohio-Genealogical-Society-131048433647503/
Email: [email protected]


Logan County Chapter, OGS
Website: http://www.logangs.embarqspace.com/
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: http://www.rootsweb.ancestry.com/~ohmcogs3/index.html
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
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
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: http://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: [email protected]


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: http://www.rootsweb.com/~ohtcgs/
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
Email: [email protected]


Washington County Chapter, OGS
Website: http://www.washogs.org/
Email: [email protected]


Wayne County Chapter, OGS
Website: http://www.rootsweb.ancestry.com/~ohwayne/wcgs/wcgs_index.html
Email: [email protected]


Williams County Chapter, OGS
Website: http://www.williamscountygenealogy.org/
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]