The Onondaga Court Records collection consists of two searchable collections containing Supreme Court judgements and Surrogate records. Onondaga Supreme Court Judgements Onondaga County Surrogate Records, 1795-1834 Some of these records were scanned offsite by the Town of Onondaga Historical Society...
Histories and directories of Onondaga County, New York. These volumes provide crucial historical context and contain information on the people of Onondaga County. Researchers can search all volumes or browse volumes individually. The collection description contains an overview of each volume.
This article is a list of towns, formation dates and other details related to Onondaga County municipalities.
This guide for Onondaga County contains a detailed list of resources for those researching families that lived there. The guide includes a map of municipalities, a brief county history, as well as links to county, local and regional repositories, resources, and societies. A selected bibliography is also available, along with other links that researchers will find highly valuable.