"You've given me the confidence to be myself and achieve my goals."
The sprinter, originally from Stoke, captured the world's attention with his record breaking sprints and charismatic, down to earth post-race interviews.
Nelson mayor Rachel Reece says in presenting Liam with the honour that he had captured not only the attention of the community but their hearts as well.
"I believe Liam is the most globally recognised New Zealander of our time.
"You have made our city and our country proud and you have done it with humility and humour.
"When you won those medals their were workplaces and living rooms that went up (in celebration).
"We are very proud you are a Nelsonian."
Nelson MP Nick Smith described Liam as arguably the greatest sportsman produced in Nelson.
"In 12 seconds, Liam achieved more than what most governments achieve in 12 years in breaking down barriers of what people can do with disabilities."
Liam signed autographs and took selfies with more than 1000 people who turned up for the event.
- Nelson Live