Known and respected throughout football in Northern Ireland, Hilbert continues to follow his beloved Loughgall FC and the celebrations began when his team met Larne FC on Friday night.
Larne Football Club Chairman, Gareth Clements gave a warm welcome to Hilbert at Inver Park and presented him with a birthday cake.
He described him as “An absolute champion of Loughgall Football Club and an absolute champion of the Irish League down the years”.
There was a full house at Loughgall FC clubrooms on Saturday night where a fabulous birthday event was held in Hilbert’s honour.
A Loughgall FC spokesperson described the centenarian as “a man who this club holds in the highest of regard”.
The event was hosted by MC Liam Beckett with many great speeches on the evening including from current manager Dean Smith, past manager Alfie Wylie, club chairman Sam Nicholson and club president Noel Willis all contributing to the special event.
"Thanks to our bar manager Neil Anderson and his team of helpers for a superb evening to celebrate this special occasion,” added the Loughgall FC spokesperson.
"Thanks to everyone for their well wishes to Hilbert, and those who sent video messages including current Northern Ireland manager Michael O’Neill, Stuart Dallas and Rory Best.”

13. A special night
Hilbert Willis pictured at his 100th birthday party at Loughgall FC with current players from left, Jamie Rea, Ben Murdock and Luke Cartwright. PT07-212. Photo: Tony Hendron

14. Enjoying the celebrations
Smiles all round at Hilbert Willis' 100th birthday party, from Lyndsay Henning, Jolene Parke and Trevor Parke. PT07-213. Photo: Tony Hendron

15. Getting together for a special event
Pictured at the 100th birthday party for Hilbert Willis are from left, Noel Brown, Noel Willis, Lincon Gillis and Freddie Wright. PT07-214. Photo: Tony Hendron

16. Party guests
Enjoying the atmosphere at the 100th birthday party for former Loughgall FC chairman and groundsman, Hilbert Willis are from left, Sharon Anderson, Richard Greenaway, Gillian Greenaway, Paul Reilly, Dianne Rhodie and George Rhodie. PT07-216. Photo: Tony Hendron