(Source: Shamrock Rovers archive media)[1] Lived in Dundrum, Dublin, Ireland, with wife Joan, and was a father of 5 children.
He signed for Shamrock Rovers in 1949 after a season with Wolverhampton Wanderers and became part of the side popularly known as Coad's Colts, enjoying many memorable days during the 1950s.
[citation needed] Hennessy played in several European Cup ties, most notably starring against the famous Manchester United "Busby Babes" in 1957, & in the same campaign scored a wonder goal from the halfway line against French champions Nice, in front of a capacity 50,000 crowd in Dalymount Park.
[citation needed] In February 2008 Liam, along with Maxie McCann were invited to the Munich commemoration to represent Shamrock Rovers at Manchester United [1][permanent dead link].
Liams two grandsons, Ronan and Ciaran Óg, were honorary mascots on the night, leading the team onto the pitch, followed by a minutes round of applause.