Steven John Hatton passed away at his address on Grasmere Court, Haresfinch on Friday, June 15, 2018.
Police say there are no suspicious circumstances surrounding Mr Hatton's death.
He was aged 58 when he passed away.
Officers today issued an appeal on behalf of the coroner's office.
A Merseyside Police spokeswoman said: "Can you help Sefton, Knowsley and St Helens Coroner's Office find the next of kin for St Helens man, Steven John Hatton?
"Mr Hatton, 58, sadly passed away at his home address in Grasmere Court, St Helens, on Friday, June 15, 2018
"There are no suspicious circumstances surrounding Mr Hatton’s death.
"Anyone with any information is asked to e-mail coronerreferrals@sefton.gov.uk".