Allegany County Information Allegany (sometimes spelled "Alleghany") County, NY was created in 1806 from Genesee County. The first Census which reported its residents was in 1810. The townships in Allegany's northern tier were all later ceded to other counties.
Additions and Changes in Townships: Rushford formed before 1820 (not in 1830 index?) Centerville formed before 1820 (not in 1830 index?) Haight re-named "New Hudson" after 1830 Granger twp formed from Grove after 1830 West Almond twp formed from Almond & Angelica after 1830 Wirt twp formed from Friendship & Bolivar after 1830 Clarkesville twp formed from Cuba after 1830 Nunda twp annexed to Livingston 1846 Portage twp annexed to Livingston 1846 Ossian twp annexed to Livingston 1857 Eagle & Pike twps annexed to Wyoming |