Will attended St. Edmund's school for Roman Catholic boys outside Ware in Hertfordshire. He enjoyed cricket, and for many years after leaving school was an annual visitor to St. Edmund's as a member of the Zouave Cricket Club which was recruited largely from Old Edmundians.
Will became a builder, like his father. There's a nice story, with a link to Will's business, that people might find interesting:
For many years there was a manhole cover with Will's name on it at the front of Brook Green Catholic Church, the local parish church for generations of Husseys. Many, many years after Will had died, his grandniece, Sheila Hussey (1927-2003), who lived in Ireland but who had long had her eye on the manhole cover, asked the Westminster Diocese if she could have it. They said 'yes' (also saying that it was the strangest request they had ever received!) and shortly thereafter it was transported to Dublin and installed in Sheila's driveway on Cedarmount Road in Mount Merrion. It reads:
William Hussey
Builder
Albert Hall Mansions SW
Albert Hall Mansions had been built by Will's father's building company and it appears that William lived there as London telephone directories from 1914 and 1922 list his address as 32 Albert Hall Mansions (and give an office number too at Albert Hall Mansions).
In his early fifties, Will moved to Tilehurst, near Reading in Berkshire. When he died there in 1939, only two sisters and one brother were left, but it's not known who these were.