Joseph was born in Campbelltown on 16/01/1908.

​He married to Olive Pearl MacClelland in 1932 in Campbelltown.
Olive was born in 1911.

​They had 4 children, 3 sons and 1 daughter:

• John Maxwell Gaudry (1932 – 1985)
• Basil Gaudry (1934 –         )
• Pamela Gaudry (1936 –         )
• Joseph Frank Gaudry (1937 – 1937)

​Joseph died in Penrith on 01/09/1981.
Olive died in Penrith on 31/05/1985.