Do you know how to find out if you are a beneficiary on a bank account? The process of claiming a bank account after death varies based on a number of factors.Here's how to claim a deceased person's bank accounts. While some individually owned bank accounts can be subject to probate, most other accounts can be transferred to heirs with ease. Our CA attorneys explain. It confirms your identity, signature and legal authority to transfer securities and investments. Common reasons for needing a medallion signature guarantee. The next step is opening a bank account for the estate.