| 1810 census of Onondaga County : consolidated index of all the towns in the county | | |
| 1820 census of Onondaga County : consolidated index of all the towns in the county | | |
| 1848-1948, Onondaga celebrates one hundred years of Odd Fellowship : Saturday, November 6th, 1948, Onondaga Hotel, Syracuse New York | Author: Independent Order of Odd Fellows (Syracuse, New York) | |
| 1851 census of the township of Onondaga with index/ [typing co-ordination, Marilyn Cross, Beryl Wilson ; transcribers, checkers, typists, editors, James Files ... [et al.]] | Author: Cross, Marilyn, Files, James William, Ontario Genealogical Society. Brant County Branch, Wilson, Beryl | |
| 1861 census of the township of Onondaga/ [typing co-ordination, Marilyn Cross ; transcribers, checkers, typists, editors, Betty Cutler, Joyce Muth] | Author: Cross, Marilyn, Cutler, Betty, Muth, Joyce, Ontario Genealogical Society. Brant County Branch | |
| 1871 census, Onondaga Div./ compiled by Jeanette Wills ; assisted by John Beddell | Author: Beddell, John, Ontario Genealogical Society. Brant County Branch, Wills, Jeanette | |
| 1901 census of Canada, Onondaga Township, Brant County, Ontario/ transcribed by Lyle R. Haynes | | |
| 1938 special classified farm register of all farms of Onondaga County, New York : for merchants, manufacturers, and professional men/ Rural Directories, Inc. | | |
| Aaron Griffin of Bridgeport, Onondaga county, New York and his descendants/ compiled by Leverett J. Simpson | | |
| An abbreviated account of certain men of Onondaga County who did service in the war of 1861-65, in the 149th New York volunteer regiment infantry/ collected by Captain George K. Collins for the Onondaga Historical Association | Author: Collins, George Knapp, 1837-1931, Onondaga Historical Association (New York) | |
| Abraham Willett (c1735-c1805) of Onondaga County, New York/ Albert James Willett, Jr. | Author: Willett, Albert James, 1944- | |
| Abstracts from the Savage-Hill diaries : town of Pompey, Onondaga County, N.Y., 1858-1913 | Author: None Provided | |
| Abstracts of intestate records of Onondaga County, New York/ copied by Grace B. Lodder from the notes of Lester Card | Author: New York. Surrogate's Court (Onondaga County) | |
| Abstracts of wills, Surrogate's Office, Onondaga County, New York, 1796-1842/ by Minnie L.C. Coleman | | |
| An account of the Salt Springs at Salina, in Onondaga County, state of New York : with a chemical examination of the water and of several varieties of salt manufactured at Salina and Syracuse/ by Lewis C. Beck | | |
| Ackles family of Onondaga County, New York | Author: None Provided | |
| The Adams family : ancestors and descendants of Pamenio Adams (1748-1809); Revolutionary soldier of Simsbury, Conn. and Onondaga Co., N.Y./ Parsons, Gerald James | Author: Parsons, Gerald James, 1924- | |
| An Alphabetically cross-referenced index of 2nd Onondaga Baptist Church cemetery | Author: Ontario Genealogical Society. Brant County Branch | |
| The ancestors and descendants of Rulef Schenck : a genealogy of the Onondaga County, New York, branch of the Schenck family/ by Benjamin Robinson Schenck, M.D., from records and notes compiled by Adrian Adelbert Schenck | Author: Schenck, Adrian Adelbert, 1842-1909, Schenck, Benjamin Robinson, b. 1872 | |
| Ancestors and posterity of Aretus P. Burroughs of Waltham, Massachusetts Tully, Onondaga Co., and New Albion, Cattaraugus Co., New York/ compiled by Theodora Blanche Burroughs | Author: Burroughs, Theodora Blanche | |
