Hello Evelyn
At this time, you will undoubtedly be having to notify many people and I wondered if you were aware of the Tell US Once service on the government website.
You complete the relevant details online and they will then cascade the info to other relevant organisations or departments that need to know.
You can see more info about this at
www.gov.uk/after-a-death/organisations-y...act-and-tell-us-once I’m sorry for your loss.