Get birth records:

The Town Clerk https://hillsdaleny.com/town-clerk/ has records for most years going back as far as 1914. Records between 1881 and 1914 can be obtained from the New York State Department of Vital Records  https://www.health.ny.gov/vital_records/birth.htm

Get death records:

The Town Clerk https://hillsdaleny.com/town-clerk/ has records for most years going back as far as 1914. Records between 1881 and 1914 can be obtained from the New York State Department of Vital Records  https://www.health.ny.gov/vital_records/death.htm

Get marriage records:

The Town Clerk https://hillsdaleny.com/town-clerk/ has records for the years 1900 to 1924, and from 1954 to present.  Records for other years can be obtained from the New York State Department of Vital Records https://www.health.ny.gov/vital_records/marriage.htm