This material is a compilation of resources available. The inclusion of a link does not constitute an endorsement of its content or accuracy. Please send any additions or corrections to webmaster@nygbs.org.
List of towns, formation dates, and other details
| Albion | |
| 1875 Formed from Town of Barre, including Village of Albion | |
| Barre | |
| 1811 Settled | |
| 1818 Formed in Genesee County from Town of Gaines | |
| 1825 Transferred to new county of Orleans | |
| 1875 Daughter town Albion | |
| Carlton | |
| 1803 Settlers from Canada | |
| 1822 Formed in Genesee County as Oak Orchard from towns of Gaines and Ridgeway | |
| 1825 Transferred to new county of Orleans; name changed to Carlton | |
| Clarendon | |
| 1811 Settled at Clarendon village | |
| 1821 Formed in Genesee County from Town of Sweden | |
| 1825 Transferred to new county of Orleans | |
| Gaines | |
| Settled before 1809 | |
| 1816 Formed in Genesee County from Town of Ridgeway | |
| 1818 Daughter town Barre formed | |
| 1822 Daughter town Carlton formed | |
| 1825 Transferred to new county of Orleans | |
| Kendall | |
| 1812 Settlers from Vermont | |
| 1837 Formed from Town of Murray | |
| Murray | |
| 1808 Formed in Genesee County from Town of Northampton (now Gates, Monroe County) | |
| 1813 Daughter towns Bergen and Sweden formed | |
| 1819 Daughter town Clarkson formed | |
| 1821 Transferred to new county of Monroe | |
| 1825 Transferred to new county of Orleans | |
| 1837 Daughter town Kendall formed | |
| Northton | |
| Name for Town of Yates 1822-1823 | |
| Oak Orchard | |
| Name for Town of Carlton 1822-1825 | |
| Ridgeway | |
| 1809 Settlers from Madison County | |
| 1812 Formed in Genesee County | |
| 1816 Daughter town Gaines formed | |
| 1818 Daughter town Shelby formed | |
| 1822 Daughter towns Oak Orchard (now Carlton) and Northon (now Yates) formed | |
| 1825 Transferred to new county of Orleans | |
| Shelby | |
| 1810 Settlers from Rensselaer | |
| 1818 Formed in Genesee County from Town of Ridgeway | |
| ` | 1825 Transferred to new county of Orleans |
| 1826 Daughter Town of Gerrysville (now Alabama, Genesee County) formed | |
| Yates | |
| 1809 Settlers from Town of Adams, Jefferson County | |
| 1822 Formed in Genesee County as Northton from Town of Ridgeway | |
| 1823 Name changed to Yates | |
| 1825 Transferred to new county of Orleans | |