Stephen Quigley was found dead on Wednesday morning around 7.20am and police launched an appeal to identify him.
The 26-year-old, from Neilston, East Renfrewshire, was later named by officers, with tributes pouring in across social media soon after.
One person described Stephen as a “lovely young lad” and sent heartfelt condolences to his family while others said he would be missed.
They wrote: “Such a lovely young lad, will miss seeing you out. Heartbreaking , our thoughts are with the family and friends.”
Another said: “RIP Stephen. You were loved.”
While a third wrote: “Rest in peace. One of the best mannered boys in the village. Too soon mate.”
And one commented: “RIP Stephen, you’ll be missed lots, thinking of everyone, so gutted to hear this.”
We told how officers are treating his death as ‘unexplained’ and are keen to speak to anyone who may have seen Stephen in the Bourock Square area of Barrhead on Tuesday, March 23.
Officers believe he then travelled within a blue Ford Focus towards the hospital in Paisley at around 5pm.
Cops are also probing an assault which took place on Wednesday, March 25 around 2pm also in the Bourock Square area of Barrhead.
Detective Chief Inspector Scott McCallum said: “Stephen’s family are being provided with support by specialist officers and have been updated. Our thoughts are with them at this time.
“We would urge anyone who believes they may have seen Stephen prior him being found on Wednesday morning to please get in touch as soon as possible.
“In particular, we are keen to speak to anyone who may have been driving near to the hospital, or in the area of Bourock Square, Barrhead, around 5pm on Tuesday, 23 March, and saw a blue Ford Focus.
“Anyone who can help our enquiries is asked to call 101, quoting reference number 0409 of 24 March. Alternatively, Crimestoppers can be called anonymously on 0800 555 111.”