Probate is the process of proving that the Will is valid (legally acceptable). During probate, the Will must be proved to the satisfaction of the Court.If submitting online, you must provide your Social Security number for verification. Death Certificates can be ordered online. Overview: Vital Records has death records (since 1881) for all of New York State except New York City. The Suffolk County Clerk's Office does not maintain Birth, Marriage or Death records; rather this is a function of the Town Clerk and or Registrar. Register a death in Suffolk, required documents and booking an appointment online. Before you start Required information