Dewsbury Coroners are appealing for the relatives of Mary Bell to get in touch.
Mrs Bell, 89, was found dead at her home in Syke View, Dewsbury on May 16.
She died of natural causes.
Mrs Bell was born in Ayr, Scotland, and moved to Dewsbury where she married Alan Bell, who is deceased.
It is thought she had a son called John Lyle but his whereabouts are not known.
Any relatives, or anyone with information is asked to contact Cate Booth at the Dewsbury Coroner’s Office on 01924 431070.