Societies & Groups » Societies & Groups - O

Ohio County Genealogical Society

Ohio County Historical Society & Museum

Rising Sun, Indiana.

Ohio Genealogical Society

Ohio Historical Society

Ohio Libraries and Genealogical Societies

Ohio Mayflower Descendants

Official site of the Ohio Colony of Mayflower Descendants includes information on: Ohio colonies, state officers, membership, history, humor, scholarships, and wampanoag.

Ohio Postal History Society

Ohio Society Children of the American Revolution

Ohio Society of the Order of Founders and Patriots of America

Ohio Society United States Daughters 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 96th District Chapter, South Carolina Genealogical Society

Greenwood, South Carolina.
[The original link is broken. This link points to an archived copy on the Wayback Machine]

Old Bethlem Historical Society

Connecticut.

Old Broad Bay Family History Association

Organization of descendents of German settlers from 1750's in what is now Waldoboro, Lincoln County, Maine USA.