County Historians
| Cortland County | Savannah Hempstead | 607 753-5048 |
| City of Cortland | Kate O’Connell | historian@cortland.org |
| Town of Cincinnatus | Cincinnatus Heritage Society | |
| Town of Cortlandville | Nick Alteri | nalteri@cortlandville.org |
| Town of Cuyler | Michael Denkenberger | (315) 402-0395 |
| Town of Freetown | Vacant | |
| Town of Harford | James Dulle | 844-3610 |
| Town of Homer | Martin Sweeney | mapsweeney@hotmail.com |
| Village of Homer | Martin Sweeney | mapsweeney@hotmail.com |
| Town of Lapeer | Jean Rightmire | jean@classicsportshorses.com |
| Town of Marathon | Laurie Tebbe | 849-3170 |
| Village of Marathon | Connie White | 849-3960 |
| Village of McGraw | Mary Kimberly | 607 836-6738 |
| Town of Preble | Jay Currie | 607 749-4764 |
| Town of Scott | Tara Ferro | |
| Town of Solon | Joanna Moon | joannamoonr@yahoo.com |
| Town of Taylor | Sharon Eltz | 863-3849 |
| Town of Truxton | Molly McDermott | 607 745-8966 |
| Town of Virgil | Marsha Powell | 607 835-6174 |
| Town of Willet | Shirley Pember | 607 863-3344 |