Police Scotland have confirmed that the body of the missing man found on Sunday is Jackson Mason.
Police Scotland issued the following statement to its social media channels:
We can confirm that the body of a man found at West Tannacrieff in East Ayrshire on Sunday, 28 February, 2021 has been confirmed as Jackson Mason.
The 31-year-old from Fenwick had been missing since Saturday, 19 December, 2020.
His next of kin has been made aware.
His death is being treated as unexplained, pending the outcome of a post mortem examination, and a report will be submitted to the Procurator Fiscal in due course.
Chief Inspector Nathan Calderwood, East Ayrshire area commander, said:
"Our thoughts are with Jackson's family and friends at this difficult time.
"I would take the opportunity to thank the local community for their support throughout this enquiry."